Two drivers—Sam and Teresa—each drive up to a gas station. Before looking at the price, each places an order. Sam says, "I'd like 10 gallons of gas." Teresa says, "I'd like $10 worth of gas." Which of the following statements is correct? Check all that apply. Sam's demand is perfectly inelastic. Teresa's demand is unit elastic. Teresa's demand is perfectly inelastic. Sam's demand is elastic.

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?