All else the same, if interest rates fall, then 1. bond prices will rise II. coupon payments on floating rate bonds will fall III. the percentage price change for short-term bonds will be greater than for long-term bonds IV. the percentage price change for high coupon bonds will be greater than for low coupon bonds Select one: O a. II and IV only b.III and IV only c1,111, and IV only d. and Ill only eland Il only Portfolio risk is comprised of risk risk Select one: O a. diversifiable; plus unsystematic O b.systematic, minus unsystematic c. firm-specific plus diversifiable Od market; plus firm-specific e market, plus non-diversifiable