Question 15 Whispering Mechanical Ltd.'s preferred shares have a par value of $50, a dividend rate of 6.8 percent, and trade at a price of $60. Metlock Inc.'s preferred shares have a par value of $60, a dividend rate of 4.4 percent, and trade at a price of $40. Which company's preferred stock is riskier? (Round answers to 2 decimal places, e.g. 5.17%.) Required rate of return Whispering Mechanical Ltd. Metlock Inc. is the riskier preferred stock