1. What will be the nominal rate of return on a perpetual preferred stock with a $100 par value, a stated dividend of 10% of par, and a current market price of (a) $52.00, (b) $88.00, (c) $112.00, and (d) $138.00? Round your answers to two decimal places.

a. ?%

b. ?%

c. ?%

d. ?%