Calculate the cost of goods sold dollar value for A66 Company for the month, considering the following transactions under three different cost allocation methods and using perpetual inventory updating. Provide calculations for last-in, first-out (LIFO).

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                      Unit sales Beginning invengtory   240                          $100 Sold                               160                                                                 $140 Purchased                      520                          $103 Sold                                400                                                                 $142 Purchased                       400                          $110 Sold                                 370                                                                  $144 Ending inventory             230

How do I solve this?

FLCL Company had the following transactions for the month:   Calculate the ending inventory dollar value for the period for each of the following cost allocation methods, using periodic inventory updating. Provide your calculations. first-in, first-out (FIFO) last-in, first-out (LIFO) weighted average