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 $ 154,000 $630,000 $ 42,000 $ 261,000 5,000 14,000 600 3,800 18,000 6,000 4,300 700 88,556 393,450 28,567 138,510 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