a. Calculate the future value of a $1 investment paying interest of 12.1% compounded annually. Work out the value of the investment after 1,5, and 20 years. (Do not round intermediate calculations. Round your answers to 4 decimal places.) Investment A Future value 1 Future values Future value20 b. Calculate the future value of a $1 investment paying interest of 11.8% compounded semiannually. Work out the value of the investment after 1, 5, and 20 years. (Do not round intermediate calculations. Round your answers to 4 decimal places.) Investment B Future value 1 Future values Future valuezo c. Calculate the future value of a $1 investment paying 11.6% compounded continuously. Work out the value of the investment after 1, 5, and 20 years. (Do not round intermediate calculations. Round your answers to 4 decimal places.) Investment C Future value 1 Future values Future valuezo d. Which investment would you prefer? Investment A Investment B Investment C