Sarah invested his savings into a Registered Retirement Savings Plan (RRSP) at an interest rate of 2.25% compounded semi-annually. After one year, his investment grew to $24,600; however, the interest rate on the RRSP changed to 2.50% compounded quarterly and remained constant for the next two years. a. Calculate the original amount he invested into the RRSP. $ Round to the nearest cent b. Calculate the accumulated value of the investment at the end of three years (two years after the rate drop). Round to the nearest cent