eBook Calculate a) cost of goods sold, b) ending inventory, and c) gross margin for A76 Company, considering the following transactions under three different cost allocation methods and using perpetual inventory updating. Provide calculations for last-in, first-out (LIFO). Number of Units Unit Cost Sales Beginning inventory 250 $100 Sold 160 $140 Purchased 500 103 Sold 400 142 Purchased i 420 110 Sold 370 174 Ending inventory 240 Number of Units Beginning Sale Purchase Sale Purchase Check My Work LIFO (perpetual) Inventory Cost of Goods Purchased Cost of Goods Sold Number Number Cost of Inventory F Unit Cost Total Cost of Units Unit Cost Total Cost of Units Unit Cost