The fixed cost of conducting the four promotions is estimated to be 11000 dollars with a variable cost of 4 dollars per customer for mailing and handling costs. what is the minimum number of customers required by the company in order to cover the cost of promotions? (round your answer to the next highest integer.)

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?