Use the compound interest formula, a = p(1 + r/n)^nt, to find the following amount of money after the given amount of time: blake opens a savings account in a bank with an annual interest rate of 2.7%. if he deposits $3,500.00 in a savings account and the interest is compounded annually, how much will he have in the account after 3 years? a. $3,783.50 b. $3,791.22 c. $7,169.34 d. $7,285.50 a store credit card charges an apr of 12% that is compounded once a month. what is the apy for the credit line? a. 12.12% b. 12.34% c. 12.52% d. 12.68%