public static void Main()
double item = 3, price = 17500.25, total = item * price, vat = total + (total * 7 / 100);
Console.WriteLine($"PRODUCT ID = {"BN-158"}");
Console.WriteLine($"PRODUCT NAME = {"Notebook N-series 7"}");
Console.WriteLine("-------------------------------------------------");
Console.WriteLine($"ITEM {item,17:n} items.");
Console.WriteLine($"PRICE {price,17:n} baht.");
Console.WriteLine($"TOTAL {total,17:n} baht.");
Console.WriteLine("-------------------------------------------------");
Console.WriteLine($"VAT 7% {vat,18:n} baht.");