Alorenz curve plots the . a. trend in the cumulative percentage of income received by each quintile against trend in the number of households b. average income received by each quintile against the number of households in the quintile c. percentage of total income received by each quintile against the percentage of households in the quintile d. cumulative percentage of income against the cumulative percentage of households

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?