An investment of $16,000 was growing at 4.25% compounded quarterly. a. Calculate the accumulated value of this investment at the end of year 1. $0.00 Round to the nearest cent b. If the interest rate changed to 4.75% compounded monthly at the end of year 1, calculate the accumulated value of this investment at the end of year $0.00 Round to the nearest cent c. Calculate the amount of interest earned from this investment during the 5- year period. $0.00 Round to the nearest cent