The risk$-$free rate is $6\%$ and the expected rate of return on the market portfolio is $11\%.$

Calculate the required rate of return on a security with a beta of $1\mathrm{.}38.$

Note: Do not round intermediate calculations. Enter your answer as a percent rounded to $2$ decimal places.

If the security is expected to return $13\%,$ is it overpriced or underpriced?