Joe mows lawns in his neighborhood for extra money. suppose the demand for lawn mowing in joe's neighborhood is: upper q subscript upper d = 45 minus 2 upper p and that the supply of lawn mowing (joe's willingness to mow lawns) is: upper q subscript upper s = negative 15 plus upper p. the market-clearing price of lawn mowing is $ 20 20 per lawn and the market-clearing quantity is 5 5 lawns. (enter your responses rounded to two decimal places.) the corresponding consumer surplus is $ 62.5 nothing.

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?