Carrier Sales $ 165,000 Lennox $ 850,000 Trane York $ 53,000 $ 272,000 Sales discounts 4,000 19,500 600 Sales returns and allowances a 4,900 Cost of goods sold 17,000 95,760 6,000 507,892 5,400 36,198 1,800 129,997 (o) Compute net sales, gross profit, and the gross margin ratio for each of the four separate companies. (b) Which company has the better gross margin ratio? Complete this question by entering your answers in the tabs below. Required A Required B Compute net sales, gross profit, and the gross margin ratio for each of the four separate companies. Note: Round your gross margin ratio to 1 decimal place, 1.e., 0.2367 should be entered as 23.7%. Net sales Gross profit Gross margin ratio Carrier Lennox Trane York Required B>