An investment of $18,000 was growing at 4.75% compounded semi-annually. a. Calculate the accumulated value of this investment at the end of year 1. Round to the neprest cent neprest b. If the interest rate changed to 5% compounded monthly at the end of year 1, calculate the accumulated value of this investment at the end of year 4. Round to the nearest cent C. Calculate the amount of interest earned from this investment during the 4-year period. Round to the nearest Cent