Joshua made periodic deposits into a savings account at the end of every month for 4 years. The investments were earning 6.60% compounded quarterly and grew to $13,500.00 at the end of 4 years. a. Calculate the size of the month-end deposits. $252.67 $246.71 $186.62 $240.98 b. How long will it take for the $13,500.00 to accumulate to $38,840.00 if the interest rate remained the same and he continued making the same month-end deposits throughout the term? 6 years and 6 months 9 years and 6 months 5 years and 6 months 5 years and 8 months