public int PurchaseItems(Player player, Inventory inventory, Day day)
{
UserInterface.DisplayCashOnHand(player);
int moneySpentOnLemons = SellLemons(player, inventory);
UserInterface.DisplayCashOnHand(player);
int moneySpentOnIce = SellIce(player, inventory);
UserInterface.DisplayCashOnHand(player);
int moneySpentOnSugar = SellSugar(player, inventory);
UserInterface.DisplayCashOnHand(player);
int moneySpentOnCups = SellCups(player, inventory);
UserInterface.DisplayCashOnHand(player);
day.totalPurchase = moneySpentOnCups + moneySpentOnIce + moneySpentOnLemons + moneySpentOnSugar;
return(day.totalPurchase);
}