(Compound value) Stanford Simmons, who recently sold his Porsche, placed $8,000 in a savings accodunt paying annual compound interest of 5 percent. a. Calculate the amount of money that will have accrued if he leaves the money in the bank for 2, 5, and 15 years. b. If he moves his money into an account that pays 7 percent or one that pays 9 percent, rework part(a) using these new interest rate c. What conclusions can you draw about the relationship between interest rates, time, and future sums from the calculations you have completed in this es a. What is the accrued value of $8,000 in a savings account paying annual compound interest of 5 percent for 2 years (Round to the nearest cent.)