public void MinimalFirstAnnualPercentageYield() => Assert.Equal(0.5f, SavingsAccount.AnnualPercentageYield(0m));
public void TinyFirstAnnualPercentageYield() => Assert.Equal(0.5f, SavingsAccount.AnnualPercentageYield(0.000001m));
public void MaximumFirstAnnualPercentageYield() => Assert.Equal(0.5f, SavingsAccount.AnnualPercentageYield(999.9999m));