46 Exercises in Compound Interest Study the appendix. Then answer the following questions: 1. You deposit $10,000. How much will you have in 4 years at (a) 8% compounded annually, and (b) at 12% compounded annually? 2. A savings and loan association offers depositors a $10,000 lump-sum payment 4 years hence. (a) How much will you be willing to deposit if you desire an interest rate of 8% compounded annually? (b) How much at an interest rate of 12%? 3. Repeat requirement 2, assuming an interest rates of 6% and do the calculation twice, assum- ing (a) annual and then (b) semiannual compounding