public void Purchase(VM_Item item)
{
item.QuantityRemaining--;
item.QuantitySold++;
currentBalance -= item.Price;
totalSales += item.Price;
TxWriter.Audit(item);
}
public Change ReturnChange()
{
Change changeRetured = new Change((int)(currentBalance * 100), quartersRemaining, dimesRemaining, nickelsRemaining);
TxWriter.Audit(currentBalance);
currentBalance = 0.00;
quartersRemaining -= changeRetured.Quarters;
dimesRemaining -= changeRetured.Dimes;
nickelsRemaining -= changeRetured.Nickels;
return(changeRetured);
}