Can someone help me here? I am super confused.

Question 2 of 7 077 Current Attempt in Progress The following information relates to Glassworks Ltd's inventory transactions during the month of July. July 1 4 Cost/Unit $12.00 $12.50 Amount $50,400 72,500 8 Beginning inventory Purchase Sale Sale Purchase Sale Units 4,200 5,800 5,800 1,400 5,320 3,870 14 22 28 $12.70 67,564 All of the units sold were priced at $21 per unit. (a) x Your answer is incorrect. Glassworks Ltd. uses the perpetual inventory system. Calculate Glassworks' cost of goods sold, gross margin, and ending inventory for the month of July using: i. FIFO ii. weighted-average (Round calculations for cost per unit to 4 decimal places, e.g. 10.5219 and final answers to decimal places, eg. 61,052.) Cost of Goods Sold Gross Margin Ending Inventory 137,124 i. $ 95,346 $ 53,340 FIFO Weighted- average $ 137,600.1 $ ii. 94,869.9 $ $ 52,827.5