1. A Treasury bill has a bid yield of 3.62% and an ask yield of 3.56%. The bill matures in 206 days. Assume a face value of $1,000. What is the dollar spread for this bill?
2. You own a stock portfolio invested 15 percent in Stock Q, 25 percent in Stock R, 40 percent in Stock S, and 20 percent in Stock T. The betas for these four stocks are 0.87, 0.75, 1.26, and 1.76, respectively. What is the portfolio beta?