The Investments Fund sells Class A shares with a front-end load of 4% and Class B shares with 12b1 fees of 0.75% annually as weil as back-end load fees that start at 5% and fall by 19 for each full year the investor holds the portfollo (until the fifth year). Assume that you have $1,000 to invest and the portfolio rate of return net of operating expenses is 8% annually. a-1. If you invest in each fund and sell after 4 years, how much will you recelve from each sale? (Round your answers to 2 decimal places.) a-2. Are Class A or Class B shares the better choice for you? ClassA Class B b-1. If you invest in each fund and sell after 15 years, how much will you recelve from each sale? (Round your onswers to 2 decimal places.) b-2. Are Class A or Class B shares the better choice for you? Ctass A Class B