4. Problem 9.07 (Preferred Stock Rate of Return) eBook What will be the nominal rate of return on a perpetual preferred stock with a $100 par value, a stated dividend of 7% of par, and a current market price of (a) $68, (b) $80, (c) $110, and (d) $140? Round your answers to two decimal places. 1 a. % b. % c. % d. %