You have $6,000 to invest You've done some security analysis and generated the following data for three stocks and Treasury bills, including weights in the optimal risky portfolio (ORP) from doing Markowitz portfolio optimization: Part 1 Attempt 1/10 for 10pts. What is the expected retum of the optimal risky portfolio (ORP)? Part 2 Attempt 1/10-for 10 pts: How much money should you invest in the ORP to achieve an expected refurn of 5% for the complete portfolio (in 5 ? Part 3 Attempt 1/10 for 10 pts If you want to achieve an expected return of 5% for the complete portfolio, how much money should you invest in stock A (in 5 )