A bank offers an investment account with an annual interest rate of 1.28% compounded monthly. Amanda invests $3600 into the account for 3 years. Answer the questions below. Do not round any intermediate computations, and round your final answers to the nearest cent. If necessary, refer to the list of financial formulas. 5 ? (a) Assuming no withdrawals are made, how much money is in Amanda's account after 3 years? si (b) How much interest is earned on Amanda's investment after 3 years