Consider a firm with a beta of $2\mathrm{.}78.$ If the market risk premium is $6\mathrm{.}30\%$ and the risk$-$free rate is $1\mathrm{.}98\%,$ what is the firm's expected return according to the capital asset pricing model? Round your answer to four decimal places, e$.$g$.,$ enter $0\mathrm{.}1234$ for $12\mathrm{.}34\%.$ using excel