public void AddRequest(char c)
{
string result;
switch (char.ToLower(c))
{
case 'm':
result = Add.AddMilk(this, cart);
break;
case 'b':
result = Add.AddBread(this, cart);
break;
case 'e':
result = Add.AddEggs(this, cart);
break;
case 'o':
result = Add.AddOranges(this, cart);
break;
case 'p':
result = Add.AddPepsi(this, cart);
break;
case 'f': result = "";
break;
default:
result = "\nTry again!";
break;
}
Console.WriteLine(result);
}