The expected return on Cerrato, Incorporated, stock is $16\mathrm{.}28$ percent while the expected return on the market is $11\mathrm{.}97$ percent. The stock's beta is $1\mathrm{.}63.$ What is the risk$-$free rate of return?

Multiple Choice

$2\mathrm{.}42\%$

$2\mathrm{.}22\%$

$5\mathrm{.}13\%$

$4\mathrm{.}50\%$