public void Test04()
 {
     Assert.AreEqual(2040, FinancingPlanOnPlanetXy140ZN.finance(15));
 }
 public void Test02()
 {
     Assert.AreEqual(168, FinancingPlanOnPlanetXy140ZN.finance(6));
 }
 public void Test03()
 {
     Assert.AreEqual(360, FinancingPlanOnPlanetXy140ZN.finance(8));
 }
 public void Test01()
 {
     Assert.AreEqual(105, FinancingPlanOnPlanetXy140ZN.finance(5));
 }