fix: calculate price

src/services/flowaccount.ts

@@ -334,6 +334,7 @@ const flowAccount = {
       isVat: true,
 
       useReceiptDeduction: false,
+      useInlineVat: true,
 
       discounPercentage: 0,
       discountAmount: quotation.totalDiscount,
@@ -377,7 +378,9 @@ const flowAccount = {
         pricePerUnit: precisionRound(v.pricePerUnit),
         quantity: v.amount,
         discountAmount: v.discount,
-        total: (v.pricePerUnit - (v.discount || 0)) * v.amount + v.vat,
+        total:
+          precisionRound(v.pricePerUnit * (1 + (v.vat === 0 ? VAT_DEFAULT : 0))) * v.amount -
+          (v.discount ?? 0),
         vatRate: v.vat === 0 ? 0 : Math.round(VAT_DEFAULT * 100),
       })),
     };