Monica, 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 $90 at the beginning of every month for 6 years. At the end of 6 years, make the final payment of $1,750. Purchase Option: Make a payment of $6,150 immediately. a. What is the present value of the lease option if money is worth 8.4% compounded semi-annually