8. The common stock of Pittsburgh Steel Products has a beta of 1.42 and a standard deviation of 21.6 percent. The market rate of return is 12.5 percent and the risk-free rate is 5 percent. What is the cost of equity for Pittsburgh Steel Products? a. 15.65 percent b. 17.25 percent c. 18.45 percent (1. 20.50 percent e. 22.75 percent