Question: 1) Year-to-date, Oracle had earned a -1.54 percent return. During the same time period, Valero Energy earned 8.10 percent and McDonald's earned 0.72 percent. If you have a portfolio made up of 30 percent Oracle, 35 percent Valero Energy, and 35 percent McDonald's, what is your portfolio return? (Round your answer to 2 decimal places.)

2) An investor owns $6,000 of Adobe Systems stock, $7,000 of Dow Chemical, and $7,000 of Office Depot. What are the portfolio weights of each stock? (Round your answers to 4 decimal places.)

                               Portfolio weights
Adobe System

Dow Chemical

Office Depot

3) If you own 450 shares of Alaska Air at $53.68, 500 shares of Best Buy at $62.12, and 300 shares of Ford Motor at $8.96, what are the portfolio weights of each stock? (Round your answers to 3 decimal places.)

                              Portfolio weights
Alaska Air

Best Buy

Ford Motor

4) Hastings Entertainment has a beta of 0.37. If the market return is expected to be 15.20 percent and the risk-free rate is 7.20 percent, what is Hastings' required return? (Round your answer to 2 decimal places.)