Calculate a) cost of goods sold, b) ending inventory, and c) gross Provide calculations for first-in, first-out (FIFO). Number of Units Unit Cost Sales | Beginning Inventory 240 $150 Sold 160 $190 Purchased 500 153 Sold 400 192 Purchased 420 160 Sold 370 194 Ending Inventory 230 Cost of Goods Purchased Number of Units FIFO (perpetual) leventory Cost of Goods Sold Number of Units Unit Cost Unit Com Total Cost Cost of inventory Remaining Number of Units Unit Cost Total Coat Total Cout Beginning Sale Purchase 500 153 76,500 Sale Purchase 420 160 67,200 II II hu III a I III III Sale II Total Purchases 143,700 Total COGS Gross Margin, FIFO perpetual Sales COGS Gross Margin