You have observed the following returns over time: Assume that the risk-free rate is 6% and the market risk premium is 5%.a. What are the betas of Stocks X and Y?b. What are the required rates of...

You have observed the following returns over time:

Assume that the risk-free rate is 6% and the market risk premium is 5%.
a. What are the betas of Stocks X and Y?
b. What are the required rates of return on Stocks X and Y?
c. What is the required rate of return on a portfolio consisting of 80% of Stock X and 20% of Stock Y?

Extracted text: Year Stock X Stock Y Market 2015 14% 13% 12% 2016 19 7 10 2017 -16 -5 -12 2018 3 1 1 2019 20 11 15