public void Execute()
{
var orderAmount = Input.ParseDecimal(message: "What is the order amount? ");
var state = Input.ParseString(message: "What state do you live in? ");
var taxCalculator = new TaxCalculator();
var order = taxCalculator.Calculate(new StateCounty(state), new Order(orderAmount));
if (order.Tax != 0m)
{
Console.WriteLine("Tax: " + new Money(order.Tax));
}
Console.WriteLine(new Money(order.Total));
}