The interest rate for a savings fund was 3.40% compounded semi-annualy for the first 6 years and then 4.90% compounded semi-annualy for the second 6 years. Harsha invested $2,650 at the end of each 6 months for 12 years. a. Calculate the accumulated value of her investment after the first 6 years. b. Calculate the accumulated value of her investment at the end of 12 years. Round to the nearest cent c. How much interest did she earn in her investment over the 12 years. Round to the nearest cent