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P8-26 Manipulating CAM Use the basic equation for the capital asset pricing model (CAPM) to work each of the following situations. a. Find the required return for an asset with a beta of 2.20 when the risk-free rate and market return are 5% and 32%, respectively. b. Find the risk-free rate for a firm with a required return of 23.75% and a beta of 1.25 when the market return is 20%. c. Find the market return for an asset with a required return of 18% and a beta of 1.20 when the risk-free rate is 8%. d. Find the beta for an asset with a required return of 15% when the risk-free rate and market return are 3% and 15%, respectively