public void PostalService2ndTest()
{
PostalService2nd testPostage2 = new PostalService2nd();
Assert.AreEqual(0.39, testPostage2.CalculateRate(20, 48), 2);
Assert.AreEqual(0.9541, testPostage2.CalculateRate(203, 15), 2);
Assert.AreEqual(0.16, testPostage2.CalculateRate(40, 7), 2);
}
public void PostalService2Test()
{
PostalService2nd postalService2Test = new PostalService2nd();
Assert.AreEqual(4.5, postalService2Test.CalculateRate(100, 128));
}