Question 4 of 6 Helen deposited $15,000 into a fund at the beginning of every quarter for 11 years. She then stopped making deposits into the fund and allowed the investment to grow for 4 more years. The fund was growing at 6.89% compounded monthly. a. What was the accumulated value of the fund at the end of year 11? $0.00 9 Round to the nearest cent f he find KA 1 Question 4 of 6 b. What was the accumulated value of the fund at the end of year 15? $0.00 Round to the nearest cent c. What is the total amount of interest earned over the 15-year period? $0.00 Round to the nearest cent