Starting on the day Samuel was born, his mother has invested $60 at the beginning of every month in a savings account that earns 2.60% compounded monthly. a. How much did Samuel have in this account on his 24th birthday? Assume that there was no deposit on that day. $0.00 Round to the nearest cent b. What was his mother's total investment? $0.00 Round to the nearest cent L c. How much interest did the investment earn? $0.00 Round to the nearest cent