public void ToPriceAndEquals()
{
var a = new Accounting()
{
Description = "xyz"
};
var up = new UnitPrice(1, 20, CurrencyUnit.EUR, TimeSpanUnit.Day)
{
Description = "abc", Accounting = a
};
var p = new Price(1, 20, CurrencyUnit.EUR)
{
Description = "abc", Accounting = a
};
Assert.AreEqual(p, up.AsPrice());
}