binomial tree farms financing includes $5 million of bank loans and $6 million book value of 10-year bonds, which are selling at 95% of par value. it's common equity is shown in binomials annual report at 6.67. it has 500,000 shares of common stock outstanding which trade on the Wichita stock exchange at $18 per share. what debt ratio should binomial use to calculate it's WACC?