. Use data below to answer the following problems regarding portfolios:

Security	Expected Return	Standard Deviation
1	40%	0.75
2	10%	0.32

Assume that 1,2= -0.45.

1. What is the expected return of your portfolio if your portfolio consists of 40% of Security 1 and 60% of Security 2?
2. What is the expected variance of your portfolio if your portfolio consists of 40% of Security 1 and 60% of Security 2?
3. Determine the portfolio weights that would give the minimum standard deviation portfolio.