O Search (Alt + 0) Review View Help Editing A U O AAO .. A ov LO 10.3 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). Unit Cost $100 Sales $140 Beginning inventory Sold Purchased Sold Purchased Number of Units 240 160 520 400 400 370 230 103 142 110 Sold 144 Ending inventory PA12. LO 10.3 Compare the calculations for gross margin for A76 Company, based on the results of the perpetual inventory calculations using FIFO, LIFO, and AVG