Show how to do all of these on excel please! Thank you

Stock J has a beta of 1.33 and an expected return of 13.81 percent, while Stock K has a beta of .88 and an expected return of 10.75 percent. You want a portfolio with the same risk as the market. a. What is the portfolio weight of each stock? Note: Do not round intermediate calculations and round your answers to 4 decimal places, e.g., 32.1616. b. What is the expected return of your portfolio? Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16. You have $14,000 to invest in a stock portfolio. Your choices are Stock X with an expected return of 16 percent and Stock Y with an expected return of 8 percent. Assume your goal is to create a portfolio with an expected return of 12.40 percent. How much money will you invest in Stock X and Stock Y ? Note: Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16. A stock has an expected return of 16.1 percent, the risk-free rate is 6.45 percent, and the market risk premium is 7.2 percent. What must the beta of this stock be? Note: Do not round intermediate calculations and round your answer to 3 decimal places, e.g., 32.161