Stock R has a beta of 1.7, Stock S has a beta of 0.8, the required return on an average stock is 13%, and the risk-free rate of return is 5%. By how much does the required return on the riskier stock...

Stock R has a beta of 1.7, Stock S has a beta of 0.8, the required return on an average stock is 13%, and the risk-free rate of return is 5%. By how much does the required return on the riskier stock exceed the required return on the less risky stock? Round your answer to two decimal places.