You have observed the following returns over time:

Year	Stock X	Stock Y	Market
2014	14%	13%	12%
2015	19	7	10
2016	-16	-5	-12
2017	3	1	1
2018	20	11	15

Assume 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?