Wayco Industrial Supply has a pretax cost of debt of 7.6 percent, a cost of equity of 16.8 percent, and a cost of preferred stock of 9.1 percent. The firm has 220,000 shares of common stock outstanding at a market price of $27 a share. There are 25,000 shares of preferred stock outstanding at a market price of $41 a share. The bond issue has a face value of $550,000 and a market quote of 101.2. The company's tax rate is 34 percent. What is the firm's weighted average cost of capital

Suppose life expectancy in years (l) is a function of two inputs, health expenditures (h) and nutrition expenditures (n) in hundreds of dollars per year. the production function is upper l equals ch superscript 0.40 baseline upper n superscript 0.60l=ch0.40n0.60. beginning with c = 1, a health input of $400400 per year (hequals=44) and a nutrition input of $400400 per year (nequals=44), show that the marginal product of health expenditures and the marginal product of nutrition expenditures are both decreasing. the marginal product of health expenditures when h goes from 44 to 55 is nothing, and the marginal product of health when h goes from 66 to 77 is nothing. (round your answers to three decimal places.)