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 $ 153,000 $ 610,000 $ 41,000 $ 260,000 4,000 13,500 600 3,500 17,000 6,000 4,200 1,000 89,364 368,472 27,874 149,723 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%.)