how do i solve all parts to this one question? show all work please!

Data for Stocks X and Y and the overall market are shown below. Year X Y Market 2018 40% 30% 14% 2019 -10% 15% 15% 2020 35% -8% -10% 2021 -5% 5% 6% 2022 15% 35% 20% Assume that the risk-free rate is 5%. 1. Estimate the historical average returns and standard deviations for Stocks X and Y and the market. 2. Estimate the betas of Stocks X and Y and the market. 3. Estimate the required returns on Stocks X and Y and the market. 4. Assume you form a portfolio by investing 30% in Stock X, 40% in Stock Y, and 30% in the market. What is the portfolio's beta? 5. Estimate the required return of the portfolio.