public void TotalTest()
        {
            var     foolApp = new Fool("Segun", 1000, 6, 5);
            decimal total   = foolApp.Total(1000, 40, 6);

            Assert.Equal(8400, total);
        }
        public void TwoTotalTest()
        {
            var     foolApp     = new Fool("Segun", 1000, 6, 5);
            decimal total       = foolApp.Total(1000, 40, 6);
            var     doubleTotal = total * 2;

            Assert.Equal(16800, doubleTotal);
        }