Melanie made periodic deposits into a savings account at the end of every month for 4 years. The investments were earning 6.00% compounded quarterly and grew to $14,375.00 at the end of 4 years. a. Calculate the size of the month-end deposits.

b. How long will it take for the $14,375.00 to accumulate to $42,025.00 if the interest rate remained the same and he continued making the same month-end deposits throughout the term?