Ali purchases a retirement annuity that will pay him $2,500 at the end of every six months for the first ten years and $600 at the end of every month for the next four years. The annuity earns interest at a rate of 4.8% compounded quarterly. a. What was the purchase price of the annuity? Round to the nearest cent b. How much interest did Ali receive from the annuity? Round to the nearest cent