Bond J has a 4 percent coupon. Bond K has an 11 percent coupon. Both bonds have 7 years to maturity, make annual payments, and have a YTM of 8 percent. If interest rates suddenly fall to 5 percent, what is the percentage price change in these bonds? If interest rates suddenly rise to 11 percent, what is the percentage price change in An elevator is able to raise 1,000kg to a height of 21m in 14s. (a) How much work does the elevator do? ] (b) What is the elevator's power output? W