31. Betty borrows $50,000 at 10 percent annually compounded interest to be repaid in four equal annual installments. The actual end-of-year loan payment is (SHOW YOUR CALCULATIONS) (a) $10,774. (b) $12,500. (c) $14,340. (d) $15,773. 32. Marla borrows $4,500 at 12 percent annually compounded interest to be repaid in four equal annual installments. The actual end-of-year payment is (a) $ 942. (b) $1,125. (c) $1,482. (d) $2,641. 33. Calculate the present value of a $10,000 perpetuity at a 6 percent discount rate 34. Calculate the future value of $4,600 received today if it is deposited at 9 percent for three years. 35. Calculate the present value of $89,000 to be received in 15 years, assuming an opportunity cost of 14 percent. BONUS (3 Points each) 1. Find the present value of the following stream of cash flows, assuming that the firm's opportunity cost is 9 percent. Year 1-5 6-10 Amount $10,000/yr. 16,000/yr.