What is the first sentance of an introduction called

Western electric has 32,000 shares of common stock outstanding at a price per share of $79 and a rate of return of 13.00 percent. the firm has 7,300 shares of 7.80 percent preferred stock outstanding at a price of $95.00 per share. the preferred stock has a par value of $100. the outstanding debt has a total face value of $404,000 and currently sells for 111 percent of face. the yield to maturity on the debt is 8.08 percent. what is the firm's weighted average cost of capital if the tax rate is 39 percent?

What role do business cycles play in a market economy

Nba all-star baron davis and his school friend, cash warren, premiered their first movie "made in america" at the sundance festival in january 2008. the movie, based on gang activity in south central los angeles, received good reviews.    source: the new york times, february 24, 2008         draw baron davis's ppf. label it ppfdavis. draw your own ppf. label it ppfmine.