Chad, an office administrator, is evaluating the following quotation that he received for the purchase of a printer for his office: Lease Option: Make payments of $85 at the beginning of every month for 4 years. At the end of 4 years, make the final payment of $1,000. Purchase Option: Make a payment of $4,400 immediately. a. What is the present value of the lease option if money is worth 6.9% compounded semi-annually? b. Which option would be economically better? c. What is the present value of the lease option if money is worth 9.6% compounded semi-annually? Round to the nearest cent d. Which option would be economically better