Historical Returns: Expected and Required Rates of Return

You have observed the following returns over time:

Assume that the risk$-$free rate is $7\%$ and the market risk premium is $5\%.$

a$.$ What are the betas of Stocks $x$ and $Y?$ Do not round intermediate calculations. Round your answers to two decimal places.

Stock $x$ :

Stock $Y$ :

b$.$ What are the required rates of return on Stocks $x$ and $Y?$ Do not round intermediate calculations. Round your answers to two decimal places.

Stock $x$:$,\%$

Stock $Y$:$,\%$