//EndTransactionInterface
        public void EndTransactionMenuOption()
        {
            catering.RunUpdateSalesReport();
            decimal grandTotal = 0M;

            Console.WriteLine("\nRECEIPT:");
            foreach (Purchases item in catering.purchaseHistory)
            {
                grandTotal += item.TotalPurchaseCost;
                Console.WriteLine("\n " + item.QuantityOrdered + "\t" + item.ItemType + "\t" + item.ItemName + "\t" + "$" +
                                  item.PricePerUnit + "\t" + "$" + item.TotalPurchaseCost);
            }
            Console.WriteLine("\nTotal: $" + grandTotal + "\n");
            string change = catering.DispenseChange(catering.CurrentAccountBalance);  //Add in purchase report

            Console.WriteLine(change + "\n");
        }