Sales Sales discounts Sales returns and allowances Cost of goods sold Carrier Lennox Trane. York $159,000 $730,000 $47,000 $266,000 3,000 16,500 17,000 6,000 600 4,300 4,800 1,200 130,771 93,269 438,650 32,448 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%.) Net sales Gross profit Gross margin ratio Carrier Lennox Trane York