Historical Returns: Expected and Required Rates of Return

You have observed the following returns over time:

Year Stock X Stock Y Market

$201513\%11\%14\%$

$20162168$

$2017-15-6-14$

$2018423$

$201921913$

Assume that the risk$-$free rate is $7\%$ and the market risk premium is $6\%.$

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:

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:

$\%$

What is the required rate of return on a portfolio consisting of $80\%$ of Stock X and $20\%$ of Stock Y$?$ Do not round intermediate calculations. Round your answer to two decimal places.

$\%$