public void CalculateInterestInvestment()
{
float initialBalance = 200;
float expected = 210;
Customer customer = new Customer(4, "Allen", "02222222");
InvestmentAccount investmentAccount = new InvestmentAccount(customer, 5, initialBalance, 5, 20);
float actual = investmentAccount.CalculateInterest();
Console.WriteLine("actual " + actual);
Assert.AreEqual(expected, actual, 0.001);
}
