The following information relates to Oriole Ltdfs inventory transactions during the month of July. Units Cost/Unit Amount July 1 Beginning inventory 3,520 $12.00 $42,240 4 Purchase 5,280 $12.50 66,000 8 Sale 5,280 14 Sale 1,320 22 Purchase 4,400 $12.75 56,100 28 Sale 3,080 All of the units sold were priced at $20 per unit. Oriole Ltd. uses the perpetual inventory system. Calculate Oriole' cost of goods sold, gross margin, and ending inventory for the month of July using weighted-average. {Round calculations for cost per unit to 2 decimal places. e.g. 10.52 and nal answers to 0 decimal places, e3. 6 1,052.) Cost of goods sold 55 Gross margin $ Ending inventory $