hide rate id from model

fixed DB not found in rate controller

app/Http/Controllers/RateController.php

@@ -35,7 +35,7 @@ class RateController extends Controller
 
     public function show()
     {
-        $rate = DB::table('rates')->latest()->first();
+        $rate = Rate::latest()->first();
 
         return response()->json($rate, 200);
     }

app/Rate.php

@@ -7,4 +7,5 @@ use Illuminate\Database\Eloquent\Model;
 class Rate extends Model
 {
     protected $fillable = ['x1_cash','x1_cheque','x1_ba','x2_cash','x2_cheque','x2_ba'];
+    protected $hidden = ['id'];
 }