public void Debit_WithValidAmount_LessChecking()
        {
            // arrange
            //double beginningBalance = 11.99;
            double debitAmount = 9000;
            double expected    = 0;
            Logics logics      = new Logics();

            // act
            double original = logics.Debit(debitAmount);

            // assert
            double actual = original;

            Assert.AreEqual(expected, actual);
        }