QS 4-15 Computing and analyzing gross margin ratio LO A2 Carrier Lennox Trane York Sales $150,000 $550,000 $38,700 $255,700 Sales discounts $5,000 $17,500 $600 $4,800 Sales returns and allowances $20,000 $6,000 $5,100 $900 Cost of goods sold $79,750 $329,589 $24,453 $126,500 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%.)