private bool IsPurchase(Items item, bool isCanPurchase) { if (_snackRepository.GetMonyinMachine() >= item.Price) { _snackRepository.RetreiveItem(item.ItemNo); Console.WriteLine( $"Thank you for your purchase of {item.ProductName} and the remaining amount is {_snackRepository.GetMonyinMachine()}$"); isCanPurchase = true; } else { Console.WriteLine($"the total amout is: {_snackRepository.GetMonyinMachine()}"); } return(isCanPurchase); }