private static string NewCoffee(bool milk, int milkAmount, bool sugar, int sugarSpoons)
{
var coffee = new Coffee();
coffee.Milk = milk;
if (coffee.Milk) { coffee.MilkAmount = milkAmount; }
coffee.Sugar = sugar;
if (coffee.Sugar) { coffee.SugarSpoons = sugarSpoons; }
return PrepareCoffee(coffee);
}