21. Assume the expected market return is 9%, the market variance is 0.025, and the T-Bill rate is 3%. For a portfolio with the following weights: 70% in AAPL, 15% in MMM, 15% in XOM. Form a zero-beta portfolio and report the weights in the active and passive portfolios as well as the alpha for the zero-beta portfolio. Beta Variance (Return) Return Variance (Residual) AAPL 0.14 1.4 0.080 0.10 1.1 0.055 0.09 0.9 0.025