can you answer these questions for me please using an Excel sheet ?

Steps: Portfolio Formation 1. Select four mutual funds: Two stock funds and two bond funds. a. One of the stock funds should be Columbia Sportswear Company 2. Create 6 portfolios each containing 2 mutual funds (S1/S2, B1/B2, S1/B1, S2/B1, S2/B2, S1/B2). 3. For each fund collect annual return data for the 10-year period from 2012 to 2021. 4. For each Portfolio compute average return, standard deviations of returns, covariance, and correlation.

5. Calculate the investment opportunity set for each Portfolio including Sharpe ratios. Each student should analyze three Portfolios. a. What is the minimum-variance portfolio for each? b. What is the optimal risky portfolio for each? c. What is the best Sharpe ratio for each portfolio? (Use 0.512% as the risk-free rate).