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 1.15 when the risk-free rate and market return are 5% and 13%, respectively. b. Find the risk-free rate for a firm with a required return of 21.088% and a beta of 1.83 when the market return is 16%. c. Find the market return for an asset with a required return of 12.102% and a beta of 1.28 when the risk-free rate is 4%. d. Find the beta for an asset with a required return of 15.912% when the risk-free rate and market return are 8% and 12.3%, respectively