Please explain all work. Thank you!

Use the following information to answer the question(s) below. 2)If the expected return on the market is 11% and the expected return of investing in Merck is 10.35%, calculate the risk-free rate. (Make sure you write your detailed steps of calculations to get full credit) (10pt) 3) If the risk-free rate is 5% and the expected return of investing in Merck is 11.3%, calculate the expected return on the market. (Make sure you write your detailed steps of calculations to get full credit) (10pt)