QS 4-15 Computing and analyzing gross margin ratio LO A2 Sales Sales discounts Sales returns and allowances Cost of goods sold Carrier Lennox Trane York $ 156,000 $ 670,000 $ 44,000 $ 263,000 2,000 15,000 600 5,000 20,000 6,000 4,500 500 90,316 403,678 28,786 130,810 Compute net sales, gross profit, and the gross margin ratio for each of the four separate companies. (Round your gross margin ratio to 1 decimal place; i.e.; 0.2367 should be entered as 23.7%.) Carrier Lennox Trane York Net sales Gross profit Gross margin ratio