US Stock Index (Fund S)	US Bond Index (Fund B)	T-Bill
Expected Return	20%	9%	1%
Standard Deviation	22%	12%
Variance	0.0484	0.0144
rS,B	0.40
Covariance (S,B)	0.01056

1. 1. Calculate the weights for stocks and bonds for the Optimal Risky Portfolio. Show your work.
2. 2. Calculate:
      1. the expected return for the Optimal Risky Portfolio;
      2. the standard deviation for the Optimal Risky Portfolio; and
      3. the ratio the Optimal Risky Portfolio maximizes (i.e., the ratio that makes it the optimal portfolio)