The beta of Stock Y is -0.3 (indicating that its returns rise when returns on most other stocks fall). If the risk-free rate is 6.1 percent and the expected rate of return on an average stock is 11.5 percent, what is the required rate of return on Stock Y? a. 1.62% b.4.48% c. 7.72% d. 9.55% e. 2.65%