Manipulating CAPM Use the basic equation for the capital asset pricing model (CAPM) to work each of the following problems. a. Find the required return for an asset with a beta of 0.61 when the risk-free rate and market return are 7% and 10%, respectively. b. Find the risk-free rate for a firm with a required return of 7.636% and a beta of 0.64 when the market return is 9%. c. Find the market return for an asset with a required return of 16.398% and a beta of 1.67 when the risk-free rate is 9%. d. Find the beta for an asset with a required return of 14.764% when the risk-free rate and market return are 4% and 10.9%, respectively