11. Problem 5.13 (Time for a Lump Sum to Double) FIE eBook How long will it take $200 to double if it earns the following rates? Compounding occurs once a year. Round your answers to two decimal places. a. 7%. year(s) b. 11%. year(s) c. 19%. year(s) d. 100%. year(s) 12. Problem 5.16 (Present Value of a Perpetuity) eBook What is the present value of a $200 perpetuity if the interest rate is 6%? If interest rates doubled to 12%, what would its present value be? Round your answers to the nearest cent. Present value at 6%: $ Present value at 12%: $