Assume you make the following investments a. b. You invest a lump sum of $8,550 for three years at 14% interest. What is the investment's value at the end of three years? In a different account eaming 14% interest you invest $2,850 at the end of each year for three years. What is the investment's value at the end of three years? What general rule of thumb explains the difference in the investments' future values? (Click the icon to view the future value factor table.). (Click the icon to view the present value factor table.) (Click the icon to view the future value annuity factor table.) (Click the icon to view the present value annuity factor table.) a. You invest a lump sum of $8,550 for three years at 14% interest. What is the investment's value at the end of three years? (Round your answer to the nearest whole dollar.) Investment's value =