diff --git a/app/Booking.php b/app/Booking.php
index 43bd80d4..f0decadf 100644
--- a/app/Booking.php
+++ b/app/Booking.php
@@ -24,7 +24,7 @@ class Booking extends Model
                                 "usd_book_bank_branch");
 
     protected $fillable = ['id', 'term', 'rate_id', 'user_id', 'amount', 'account_name', 'account_num', 'bank_name',
-                            'bank_branch', 'company_name'];
+                            'bank_branch', 'company_name', 'service_charge', 'billing_charge'];
                             
     public $timestamps = true;
 
diff --git a/app/Http/Controllers/BookingController.php b/app/Http/Controllers/BookingController.php
index 9c82209f..7641c6bf 100644
--- a/app/Http/Controllers/BookingController.php
+++ b/app/Http/Controllers/BookingController.php
@@ -448,6 +448,8 @@ class BookingController extends Controller
  
         $bankin_amount = round($subtotal + $taxAmount + $billingChargeAmount , 2);
         $booking = new Booking();
+        $booking->billing_charge = $billingChargeAmount;
+        $booking->service_charge = $svcharge;
         $booking->account_name = $request->input('account_name');
         $booking->account_num = $request->input('account_num');
         $booking->bank_name = $request->input('bank_name');
diff --git a/app/Http/Controllers/InvoiceController.php b/app/Http/Controllers/InvoiceController.php
index c56f38ff..6e0d8c83 100644
--- a/app/Http/Controllers/InvoiceController.php
+++ b/app/Http/Controllers/InvoiceController.php
@@ -65,6 +65,7 @@ class InvoiceController extends Controller
             'contact_no' => 'required',
             'marking' => 'required',
             'reg_no' => 'required',
+            'adjustment' => 'required|numeric',
             'lines.*.order' => 'required|numeric',
             'lines.*.stock_code' => 'required',
             'lines.*.description' => 'max:256',
@@ -92,9 +93,13 @@ class InvoiceController extends Controller
             function ($line) { return $line['total']; },
             $validatedData['lines']
         );
-        $total = array_reduce($subtotalArray, function ($v1, $v2) {
+        $subtotal = array_reduce($subtotalArray, function ($v1, $v2) {
             return $v1 + $v2;
         });
+        $adjustment = $request->adjustment;
+        $billing_charges = $booking->billing_charge;
+        $total = $subtotal + $adjustment + $billing_charges;
+
         if ($total !== $booking->bia) {
             return response()->json([
                 'message' => 'Booking amount expected is '.$booking->bia.'. Your Invoice amount is '.$total
@@ -120,6 +125,7 @@ class InvoiceController extends Controller
         $invoice->address = $validatedData['address'];
         $invoice->contact_no = $validatedData['contact_no'];
         $invoice->po_number = $po_number;
+        $invoice->adjustment = $adjustment;
         $invoice->save();
 
         if (!$invoice) {
@@ -174,6 +180,7 @@ class InvoiceController extends Controller
             'contact_no' => 'required',
             'marking' => 'required',
             'reg_no' => 'required',
+            'adjustment' => 'required|numeric',
             'lines.*.order' => 'required|numeric',
             'lines.*.stock_code' => 'required',
             'lines.*.description' => 'max:256',
@@ -213,12 +220,16 @@ class InvoiceController extends Controller
             function ($line) { return $line['total']; },
             $validatedData['lines']
         );
-        $total = array_reduce($subtotalArray, function ($v1, $v2) {
+        $subtotal = array_reduce($subtotalArray, function ($v1, $v2) {
             return $v1 + $v2;
         });
-        if ($total != $booking->amount) {
+        $adjustment = $request->adjustment;
+        $billing_charges = $booking->billing_charge;
+        $total = $subtotal + $adjustment + $billing_charges;
+
+        if ($total !== $booking->bia) {
             return response()->json([
-                'message' => 'Booking amount expected is '.$booking->amount.'. Your Invoice amount is '.$total
+                'message' => 'Booking amount expected is '.$booking->bia.'. Your Invoice amount is '.$total
             ], 400);
         }
 
@@ -233,6 +244,7 @@ class InvoiceController extends Controller
         $invoice->address = $validatedData['address'];
         $invoice->contact_no = $validatedData['contact_no'];
         $invoice->po_number = $po_number;
+        $invoice->adjustment = $adjustment;
         $invoice->save();
 
         if (!$invoice) {
@@ -300,13 +312,28 @@ class InvoiceController extends Controller
 
         $booking = Booking::find($id);
 
-        $monthlycount = Invoice::where('ei', 'like', 'EI-'.Carbon::createFromFormat('Y-m-d H:i:s', $booking->created_at)->format('Ym').'%')->count() + 1;
-        $generatednumber = Carbon::createFromFormat('Y-m-d H:i:s', $booking->created_at)->format('Ym').'-'.sprintf("%05d", $monthlycount);
-
+        // Generate EI and EDO only if not exist
         $invoice = Invoice::where('booking_id', $id)->first();
-        $invoice->ei = 'EI-'.$generatednumber;
-        $invoice->edo = 'EDO-'.$generatednumber;
-        $invoice->save();
+        var_dump($invoice->ei);
+        
+        if (!$invoice->ei && !$invoice->edo) {
+
+            
+
+            $monthlycount = Invoice::where('ei', 'like', 'EI-'.Carbon::createFromFormat('Y-m-d H:i:s', $booking->created_at)->format('Ym').'%')->count() + 1;
+            $generatednumber = Carbon::createFromFormat('Y-m-d H:i:s', $booking->created_at)->format('Ym').'-'.sprintf("%05d", $monthlycount);
+            $invoice->ei = 'EI-'.$generatednumber;
+            $invoice->edo = 'EDO-'.$generatednumber;
+
+            // Skip to next count if already exist
+            while (Invoice::where('ei', $invoice->ei)->exists() || Invoice::where('edo', $invoice->edo)->exists()) {
+                $monthlycount = $monthlycount + 1;
+                $generatednumber = Carbon::createFromFormat('Y-m-d H:i:s', $booking->created_at)->format('Ym').'-'.sprintf("%05d", $monthlycount);
+                $invoice->ei = 'EI-'.$generatednumber;
+                $invoice->edo = 'EDO-'.$generatednumber;
+            }
+            $invoice->save();
+        }
 
         if(!$status) {
             return response()->json(['message' => 'Unable to Update Status'], 500);
@@ -347,17 +374,16 @@ class InvoiceController extends Controller
             }
         }
 
-        // Ensure Invoice Status is Approve
-        // if ($this->invoiceStatus($id) !== 'approve') {
-        //     return response()->json(['message' => 'Invoice must and exist and approve status.'], 403);
-        // }
-
         // Generate PO
 
         $booking = Booking::where('id', $id)->first();
         $invoice = Invoice::where('booking_id', $booking['id'])->first();
         $lines = InvoiceDetails::where('invoice_id', $invoice->id)->get();
         $marking = User::find($booking->user_id)->marking;
+        $subtotal = InvoiceDetails::where('invoice_id', $invoice->id)->sum('total');
+        $adjustment = $invoice->adjustment;
+        $billing_charges = $booking->billing_charge;
+        $total = $subtotal + $adjustment + $billing_charges;
 
         $data = [
             'title' => 'Purchase Order',
@@ -383,7 +409,10 @@ class InvoiceController extends Controller
                 'phone' => '018 2909252',
             ],
             'lines' => $lines,
-            'amount' => $invoice->amount
+            'subtotal' => $subtotal,
+            'adjustment' => $adjustment,
+            'billingcharges' => $billing_charges,
+            'total' => $total
         ];
        
         $defaultConfig = (new \Mpdf\Config\ConfigVariables())->getDefaults();
@@ -441,9 +470,30 @@ class InvoiceController extends Controller
 
         $booking = Booking::where('id', $id)->first();
         $invoice = Invoice::where('booking_id', $booking['id'])->first();
-        $lines = InvoiceDetails::where('invoice_id', $invoice->id)->get();
+        $supplierbooking = SupplierBooking::where('booking_id', $id)->first();
+        $lines = DB::table('invoices')
+                    ->join('invoice_details', function ($join) use ($id) {
+                        $join->where('invoices.booking_id', '=', $id);
+                        $join->on('invoice_details.invoice_id', '=', 'invoices.id');
+                    })
+                    ->join('supplier_bookings', 'invoices.booking_id', '=', 'supplier_bookings.booking_id')
+                    ->select(
+                        'order',
+                        'stock_code',
+                        'description',
+                        'quantity',
+                        DB::raw('ROUND((invoice_details.unit_price_rmb / supplier_bookings.rate), 2) as unit_price_rm'),
+                        DB::raw('ROUND((invoice_details.quantity * ROUND((invoice_details.unit_price_rmb / supplier_bookings.rate), 2)), 2) as total'),
+                        // subtotal
+                        // adjustment
+                        // total
+                    )->get();
         $supplierbooking = SupplierBooking::where('booking_id', $id)->first();
         $supplier = SettingSupplier::where('id', $supplierbooking->supplier_id)->first();
+        $subtotal = $lines->sum('total');
+        $billing_charges = null;
+        $total = $supplierbooking->amount_after_tax;
+        $adjustment = $total - $subtotal;
 
         $data = [
             'title' => 'Delivery Order',
@@ -469,7 +519,10 @@ class InvoiceController extends Controller
                 'phone' => '',
             ],
             'lines' => $lines,
-            'amount' => $invoice->amount
+            'subtotal' => $subtotal,
+            'adjustment' => $adjustment,
+            'billingcharges' => $billing_charges,
+            'total' => $total
         ];
         $defaultConfig = (new \Mpdf\Config\ConfigVariables())->getDefaults();
         $fontDirs = $defaultConfig['fontDir'];
@@ -520,6 +573,11 @@ class InvoiceController extends Controller
         $booking = Booking::where('id', $id)->first();
         $invoice = Invoice::where('booking_id', $booking['id'])->first();
         $lines = InvoiceDetails::where('invoice_id', $invoice->id)->get();
+        $subtotal = InvoiceDetails::where('invoice_id', $invoice->id)->sum('total');
+        $adjustment = $invoice->adjustment;
+        $billing_charges = $booking->billing_charge;
+        $total = $subtotal + $adjustment + $billing_charges;
+
 
         $data = [
             'title' => 'Invoice',
@@ -539,7 +597,10 @@ class InvoiceController extends Controller
             ],
             'total_page' => (count($lines) / 10),
             'lines' => $lines,
-            'amount' => $invoice->amount
+            'subtotal' => $subtotal,
+            'adjustment' => $adjustment,
+            'billingcharges' => $billing_charges,
+            'total' => $total
         ];
 
         $defaultConfig = (new \Mpdf\Config\ConfigVariables())->getDefaults();
@@ -591,6 +652,11 @@ class InvoiceController extends Controller
         $booking = Booking::where('id', $id)->first();
         $invoice = Invoice::where('booking_id', $booking['id'])->first();
         $lines = InvoiceDetails::where('invoice_id', $invoice->id)->get();
+        $subtotal = InvoiceDetails::where('invoice_id', $invoice->id)->sum('total');
+        $adjustment = $invoice->adjustment;
+        $billing_charges = $booking->billing_charge;
+        $total = $subtotal + $adjustment + $billing_charges;
+
 
         $data = [
             'title' => 'Delivery Order',
@@ -609,7 +675,10 @@ class InvoiceController extends Controller
                 'marking_no' => ''
             ],
             'lines' => $lines,
-            'amount' => $invoice->amount
+            'subtotal' => $subtotal,
+            'adjustment' => $adjustment,
+            'billingcharges' => $billing_charges,
+            'total' => $total
         ];
 
         $defaultConfig = (new \Mpdf\Config\ConfigVariables())->getDefaults();
@@ -617,6 +686,7 @@ class InvoiceController extends Controller
         $defaultFontConfig = (new \Mpdf\Config\FontVariables())->getDefaults();
         $fontData = $defaultFontConfig['fontdata'];
 
+
         $mpdf = new \Mpdf\Mpdf([
             'fontDir' => array_merge($fontDirs, [
                 __DIR__ . '/custom/font/directory',
diff --git a/app/Invoice.php b/app/Invoice.php
index 647b3bff..9e3bffa8 100644
--- a/app/Invoice.php
+++ b/app/Invoice.php
@@ -6,7 +6,7 @@ use Illuminate\Database\Eloquent\Model;
 
 class Invoice extends Model
 {
-    protected $fillable = ['invoice_url','amount','booking_id', 'buyer_company', 'address', 'contact_no', 'po_number'];
+    protected $fillable = ['invoice_url','amount','booking_id', 'buyer_company', 'address', 'contact_no', 'po_number', 'adjustment'];
 
     public function booking(){
         return $this->belongsTo('App\Booking');
diff --git a/database/migrations/2020_09_25_154412_add_service_charge_to_bookings.php b/database/migrations/2020_09_25_154412_add_service_charge_to_bookings.php
new file mode 100644
index 00000000..114601b7
--- /dev/null
+++ b/database/migrations/2020_09_25_154412_add_service_charge_to_bookings.php
@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class AddServiceChargeToBookings extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('bookings', function (Blueprint $table) {
+            $table->double('service_charge')->default(null)->nullable();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('bookings', function (Blueprint $table) {
+            $table->dropColumn('service_charge');
+        });
+    }
+}
diff --git a/database/migrations/2020_09_25_154539_add_adjustment_to_invoices.php b/database/migrations/2020_09_25_154539_add_adjustment_to_invoices.php
new file mode 100644
index 00000000..815200ad
--- /dev/null
+++ b/database/migrations/2020_09_25_154539_add_adjustment_to_invoices.php
@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class AddAdjustmentToInvoices extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('invoices', function (Blueprint $table) {
+            $table->double('adjustment')->default(null)->nullable();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('invoices', function (Blueprint $table) {
+            $table->dropColumn('adjustment');
+        });
+    }
+}
diff --git a/database/migrations/2020_09_25_161945_add_billing_charge_to_bookings.php b/database/migrations/2020_09_25_161945_add_billing_charge_to_bookings.php
new file mode 100644
index 00000000..ebfd7e76
--- /dev/null
+++ b/database/migrations/2020_09_25_161945_add_billing_charge_to_bookings.php
@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class AddBillingChargeToBookings extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('bookings', function (Blueprint $table) {
+            $table->double('billing_charge')->default(null)->nullable();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('bookings', function (Blueprint $table) {
+            $table->dropColumn('billing_charge');
+        });
+    }
+}
diff --git a/fixinvoice.txt b/fixinvoice.txt
new file mode 100644
index 00000000..d857f15b
--- /dev/null
+++ b/fixinvoice.txt
@@ -0,0 +1,9 @@
+1. create migration field service_charge in bookings. (nullable, default null, double)
+2. create migration field adjustment in invoices. (nullable, default null, double)
+3. save service charge on confirm
+4. pass service from backend
+5. display in frontend.
+6. When RMB value match auto adjustment.
+7. Vue validation before post and edit.
+8. post and edit invoice needs to have adjustment. validate.
+9. change pdf documents.
diff --git a/resources/assets/js/components/NewInvoice.vue b/resources/assets/js/components/NewInvoice.vue
index 84afda88..b6d5b3c4 100644
--- a/resources/assets/js/components/NewInvoice.vue
+++ b/resources/assets/js/components/NewInvoice.vue
@@ -278,6 +278,30 @@
                   &nbsp;
                 </td>
               </tr>
+              <tr class="subtotal-line">
+                <td colspan="5"/>
+                <td class="subtotal-title text-center">
+                  Adjustment
+                </td>
+                <td class="subtotal text-center">
+                  {{ form.formData.adjustment || 'auto' }}
+                </td>
+                <td>
+                  &nbsp;
+                </td>
+              </tr>
+              <tr class="service-charge">
+                <td colspan="5"/>
+                <td class="subtotal-title text-center">
+                  Billing Charge
+                </td>
+                <td class="subtotal text-center">
+                  {{ billing_charge }}
+                </td>
+                <td>
+                  &nbsp;
+                </td>
+              </tr>
               <tr v-if="tax > 0" class="gst-line">
                 <td colspan="5"/>
                 <td class="gst-title text-center">
@@ -476,11 +500,12 @@ export default {
       default: function () {
         return {
           id: null,
-          amount: null,
           bia: null,
+          amount: null,
           user_bankslip_path: null,
           china_bankslip_path: null,
-          marking: null
+          marking: null,
+          billing_charge: null
         }
       }
     }
@@ -495,6 +520,7 @@ export default {
           marking: this.booking_details.marking,
           gst_id: '',
           reg_no: '',
+          adjustment: '',
           lines: []
         },
         addLine: {
@@ -512,10 +538,12 @@ export default {
         }
       },
       rate: 0,
-      service_charge: 0,
+      billing_charge: 0,
       amount: 0,
+      bia: 0,
       invoice_total: 0,
       tax: 0,
+      billing_fee: 0,
       subtotal: 0,
       total: 0,
       role: null,
@@ -549,6 +577,8 @@ export default {
         },
         gst_id: {
 
+        },
+        adjustment: {
         }
       },
       addLine: {
@@ -592,18 +622,19 @@ export default {
       const {
         marking,
         tax,
-        service_charge,
-        amount,
         bia,
-        rate
+        amount,
+        rate,
+        billing_charge
       } = this.booking_details
 
       this.form.formData.marking = marking
       this.tax = tax
-      this.service_charge = service_charge
       this.amount = amount
       this.bia = bia
       this.rate = rate
+      this.billing_charge = billing_charge
+      this.total = this.billing_charge // Will not work if there is tax. Temporary fix.
     }
   },
   mounted () {
@@ -654,11 +685,21 @@ export default {
     setTotal: function () {
       if (this.form.formData.lines.length < 1) {
         this.subtotal = 0
-        this.total = 0
+        this.form.formData.adjustment = 0
+        this.total = this.billing_charge // Temporary fix. Will return error if GST is implemented.
         return
       }
+
       this.subtotal = parseFloat(this.form.formData.lines.map(line => line.total).reduce((a, b) => parseFloat(a) + parseFloat(b))).toFixed(2)
-      this.total = parseFloat(+this.subtotal + (+this.subtotal * (+this.tax || 0) / 100)).toFixed(2)
+
+      // Set Adjustment if CNY total is equal to Invoice CNY Total
+      const cnyTotal = this.form.formData.lines.map(l => +l.unit_price_rmb * +l.quantity).reduce((a, b) => a + b)
+      if (cnyTotal === this.amount) {
+        this.form.formData.adjustment = parseFloat(+this.bia - +this.subtotal - this.billing_charge).toFixed(2)
+      } else {
+        this.form.formData.adjustment = 0
+      }
+      this.total = parseFloat(+this.subtotal + (+this.subtotal * (+this.tax || 0) / 100) + +this.billing_charge + +this.form.formData.adjustment).toFixed(2)
     },
     clearAddLine: function () {
       this.form.addLine.order = null
@@ -746,6 +787,8 @@ export default {
 
           this.currentStatus = resp.data.status[resp.data.status.length - 1].status
 
+          this.form.formData.adjustment = resp.data.adjustment
+
           this.setTotal()
         })
     },
diff --git a/resources/views/pdf/invoice.blade.php b/resources/views/pdf/invoice.blade.php
index a8c8eb16..5b30de30 100644
--- a/resources/views/pdf/invoice.blade.php
+++ b/resources/views/pdf/invoice.blade.php
@@ -87,6 +87,9 @@
         td.address {
             text-align: left;
         }
+        .right {
+            text-align: right;
+        }
 
     </style>
 </head>
@@ -169,26 +172,38 @@
                 <td class="description" >{{$line->description}}</td>
                 <td width="10%">{{$line->quantity}}</td>
                 <td width="12%">{{number_format($line->unit_price_rm, 2)}}</td>
-                <td width="20%">{{number_format($line->total, 2)}}</td>
+                <td width="20%" class="right">{{number_format($line->total, 2)}}</td>
             </tr>
             @endforeach
         </tbody>
         <tfoot>
             <tr class="subtotal">
                 <td colspan="4"></td>
-                <td>Subtotal</td>
-                <td>{{ number_format($amount, 2) }}</td>
+                <td class="right">Subtotal</td>
+                <td class="right">{{ number_format($subtotal, 2) }}</td>
             </tr>
+            @if($adjustment)
+            <tr class="adjustment">
+                <td colspan="3"></td>
+                <td colspan="2" class="right">Adjustment</td>
+                <td class="right">{{ number_format($adjustment, 2) }}</td>
+            </tr>
+            @endif
+            @if($billingcharges)
+            <tr class="billingcharges">
+                <td colspan="4"></td>
+                <td class="right">Billing Charges</td>
+                <td class="right">{{ number_format($billingcharges, 2) }}</td>
+            </tr>
+            @endif
             <tr>
                 <td colspan="4"></td>
-                <td>Total</td>
-                <td class="total">{{ number_format($amount, 2) }}</td>
+                <td class="right">Total</td>
+                <td class="total right">{{ number_format($total, 2) }}</td>
             </tr>
         </tfoot>
     </table>
 
-   
-
 
 </body>
 </html>
\ No newline at end of file
diff --git a/resources/views/pdf/po.blade.php b/resources/views/pdf/po.blade.php
index 885c3c43..fd2b32d9 100644
--- a/resources/views/pdf/po.blade.php
+++ b/resources/views/pdf/po.blade.php
@@ -46,6 +46,9 @@
         .center {
             text-align: center;
         }
+        .right {
+            text-align: right;
+        }
         .middle {
             vertical-align: middle;
         }
@@ -147,20 +150,34 @@
                 <td class="description" >{{$line->description}}</td>
                 <td width="10%" class="center top">{{$line->quantity}}</td>
                 <td width="12%" class="center top">{{number_format($line->unit_price_rm, 2)}}</td>
-                <td width="20%" class="center top">{{number_format($line->total, 2)}}</td>
+                <td width="20%" class="right top">{{number_format($line->total, 2)}}</td>
             </tr>
             @endforeach
         </tbody>
         <tfoot>
             <tr class="subtotal">
                 <td colspan="4"></td>
-                <td class="center middle">Subtotal</td>
-                <td class="center middle">{{ number_format($amount, 2) }}</td>
+                <td class="right middle">Subtotal</td>
+                <td class="right middle">{{ number_format($subtotal, 2) }}</td>
             </tr>
+            @if($adjustment)
+            <tr class="adjustment">
+                <td colspan="4"></td>
+                <td class="right middle">Adjustment</td>
+                <td class="right middle">{{ number_format($adjustment, 2) }}</td>
+            </tr>
+            @endif
+            @if($billingcharges)
+            <tr class="billingcharges">
+                <td colspan="4"></td>
+                <td class="right middle">Billing Charges</td>
+                <td class="right middle">{{ number_format($billingcharges, 2) }}</td>
+            </tr>
+            @endif
             <tr>
                 <td colspan="4"></td>
-                <td class="center center middle">Total</td>
-                <td class="total center middle">{{ number_format($amount, 2) }}</td>
+                <td class="right middle">Total</td>
+                <td class="total right middle">{{ number_format($total, 2) }}</td>
             </tr>
         </tfoot>
     </table>
diff --git a/utils b/utils
deleted file mode 160000
index 47ddd6de..00000000
--- a/utils
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 47ddd6dedb1f32c45b66b701f5300dacc71bd715