public void Calc0_0Mo100US()
 {
     Assert.AreEqual("0.00", Ex3aLoops.Calc0("0", "100.0", "0.005"));
 }
 public void Calc0_120Mo20US()
 {
     Assert.AreEqual("2,892.37", Ex3aLoops.Calc0("120", "20.0", "0.003"));
 }
 public void Calc0_12Mo100US()
 {
     Assert.AreEqual("1,231.66", Ex3aLoops.Calc0("12", "100.0", "0.004"));
 }
 public void Calc0_InvalidRate()
 {
     Assert.AreEqual("Invalid input", Ex3aLoops.Calc0("24", "100.0", ""));
 }
 public void Calc0_InvalidPayment()
 {
     Assert.AreEqual("Invalid input", Ex3aLoops.Calc0("24", "", "0.005"));
 }
 public void Calc0_InvalidMonths()
 {
     Assert.AreEqual("Invalid input", Ex3aLoops.Calc0("", "100.0", "0.005"));
 }