Question: 1. Five years ago, you purchased 800 shares of stock. The annual returns have been 6.4 percent, -28.7 percent, 2.1 percent, 14.4 percent, and 32.6 percent, respectively. What is the variance of these returns?

2. You own a stock with an average return of 14.6 percent and a standard deviation of 21.2 percent. In any one given year, you have a 95 percent chance that you will not lose more than _____ percent nor earn more than ____ percent on this stock.

3. What is the net present value of the following cash flows if the relevant discount rate is 11.4 percent?

4. TAC Co. has 4.8 percent, semiannual coupon bonds on the market with four years left to maturity. If the bond currently sells for $908.60, what is its YTM?