1. A certain stock had returns of 12 percent, -8 percent, 18 percent, 22 percent, and 11 percent in each of the last five years respectively. Over the same period, the risk free rate of return was 3.70 percent. What was the realized risk premium on the stock?

2. Wal-Mart has enormous amounts of channel power. But which types of power?

3. Seether Co. wants to issue new 12-year bonds for some much-needed expansion projects. The company currently has 9.2 percent coupon bonds on the market that sell for $1,176.64, make semiannual payments, and mature in 12 years. What coupon rate should the company set on its new bonds if it wants them to sell at par?