// member methods
public void GoToStore(Player player)
{
lemonsBought = 0;
sugarBought = 0;
cupsBought = 0;
iceCubesBought = 0;
lemonsBought = UserInterface.BuyLemons();
sugarBought = UserInterface.BuySugar();
iceCubesBought = UserInterface.BuyIceCubes();
cupsBought = UserInterface.BuyCups();
double expense = TotalExpenseCalc();
if (expense > player.bank)
{
Console.WriteLine("Oops. Looks like you don't have enough money for that purchase.");
GoToStore(player);
}
else
{
player.bank -= expense;
ItemsBought(player);
}
}