find the missing information in the following table:

Case 19,200 32,000 Case 1 Case 2 640,000 25,600 19,200 44,800 608,000 12,096,000 256,000 384,000 768,000 7,680 13,440 384,000 12,800 Gross sales Sales discounts Sales returns & allowances Net sales Merchandise inventory, 1/1 Purchases Purchase discounts Purchase returns & allowances Net purchases Transportation-in Net cost of purchases Cost of goods available for sales Merchandise inventory, 12/31 Cost of goods sold Gross margin 31,360 24,320 352,000 25,600 377,600 32,000 672,000 32,000 38,400 761,600 1,081,600 384,000 1,088,000 448,000 640,000 320,000 320,000 512,000