Gretchen is offered a perpetuity that will pay her $18,400 per year starting in one year. The seller wants her to pay $263,000 for the perpetuity. What return will she earn if she buys it at that price? 11. B. 7.0% C. 7.5% D. 8.0% E. 9.0% If you buy a factory for $450,000 and the terms are 20% down, the balance to be paid off over 30 years at a 8.25 percent rate of interest on the unpaid balance, what are the 30 equal annual payments? A. $32,735 B. $33,378 C. $33,498 D. $40,919 E. $41,873 12