Sales Sales discounts Sales returns and allowances Cost of goods sold $169,000 4,000 15,000 99,150 $930,000 21,500 6,000 557,745 $57,000 600 5,800 38,962 $276,000 5,300 2,200 129,417 Compute net sales, gross profit, and the gross margin ratio for each separate case a through d. (Round your gross margin ratio to 1 decimal place; I.e.; 0.2367 should be entered as 23.7%.) (d) Net sales Gross profit Gross margin ratio