10. The past returns on a stock and a market index are presented in the table below: Month 1 2 3 Stock (%) 3 7 6 Market Index (%) 2 5 5 The risk-free rate of return is 1%. The cost of equity equals..... 10. The past returns on a stock and a market index are presented in the table below: Month 1 2 3 Stock (%) 3 7 6 Market Index (%) 2 5 5 The risk-free rate of return is 1%. The cost of equity equals