The function f(t) = 2000 e - 0.0S represents the rate of flow of money in dollars per year. Assume a 20-year period at 5% compounded continuously. Find (a) the present value, and (b) the accumulated amount of money flow at T = 20. (a) Set up the integral used to find the present value. Select the correct choice below and fill in any answer boxes within your choice. O A. P = O O B. P= 0.05. The present value is $. (Do not round until the final answer. Then round to the nearest cent as needed.) (b) Set up the integral used to find the accumulated amount of money flow at T - 20. Select the correct choice below and fill in any answer boxes within your choice. O A. P= 0.05. OB . - De - ( D 'd The accumulated amount of money flow at T = 20 is $. (Do not round until the final an