Calculate a) cost of goods sold, b) ending inventory, and c) gr calculations for weighted average (AVG). Round "Unit Cost" Beginning Inventory Number of Units Unit Cost Sales 260 $150 Sold Purchased: Sold 160 $190 500 153 400 192 Purchased 420 160 Sold 370 224 Ending Inventory 250 Beginning #units Cost of Goods Purchased Unit Cost 153 V $ Sale Purchase 500 Sale Purchase 420 V 160 Sale Total Purchases Gross Margin, AVG perpetual Sales COGS 190,080 Gross Margin Feedback Check My Work When using the perpetual inventory method, remember thi