Question 8 of 13 The interest rate for a savings fund was 3.70% compounded semi-annualy for the first 4 years and then 4.80% compounded semi-annualy for the second 4 years. Harsha invested $2,450 at the end of each 6 months for 8 years. a. Calculate the accumulated value of her investment after the first 4 years. $0.00 Round to the nearest cent b. Calculate the accumulated value of her investment at the end of 8 years. $0.00 Round to the nearest cent c. How much interest did she earn in her investment over the 8 years. $0.00 Round to the nearest cent