The risk$-$free rate is $4\%$ and the expected rate of return on the market portfolio is $10\%.$

a$.$ Calculate the required rate of return on a security with a beta of $1\mathrm{.}45.$

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

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

b$.$ It the security is expected to return $16\%,$ is it overpriced or underpriced?