fix: sale master

app/Models/SaleDetail.php

                 $ppn = Ppn::first()->ppn;
 
                 return $this->sale->ppn
-                    ? HelperService::addPPN($value, $ppn)
-                    : $value;
+                    ? HelperService::addPPN($value, $ppn) * $this->qty
+                    : $value * $this->qty;
             }
         );
     }

resources/js/pages/Sales/Composables/useCart.js

 import { reactive } from 'vue'
-import { FormValidationError } from '@/utils/helpers'
+import { FormValidationError, ppn } from '@/utils/helpers'
 
 export function useCart(form, initialProducts = []) {
   const cart = reactive(initialProducts)
 
   const totalCartPrice = () => {
     const itemPrices = cart.map((product) => {
-      if (form.checkedPpn) {
-        return product.price + product.price * (form.ppn / 100)
-      } else {
-        return product.price
-      }
+      return form.checkedPpn
+        ? ppn(product.price, form.ppn) * product.qty
+        : product.price * product.qty
     })
 
     return itemPrices.reduce(