please solve this one fast from MBF 100

Question 4 of 6 Matthew made periodic deposits into a savings account at the end of every month for 3 years. The investments were earning 5.40% compounded quarterly and grew to $12,125.00 at the end of 3 years. a. Calculate the size of the month-end deposits. O $320.75 O $311.13 $263.79 $302.03 b. How long will it take for the $12,125.00 to accumulate to $34,485.00 if the interest rate remained the same and he continued making the same month-end deposits throughout the term? O 5 years and 7 months O 7 years and 7 months