Stock R has a beta of $2\mathrm{.}0,$ Stock S has a beta of $0\mathrm{.}95,$ the required return on an average stock is $9\%,$ and the risk$-$free rate of return is $6\%.$ 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.

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