Calculate a) cost of goods sold, b) ending inventory, snd c) gross margin for A76 Compony, considering the following transaetians under three diferant cost ailocation methods and using perpetual inventory updoting. Provide caiculotions for weighted average (AvG). Round "Unit Cost" answers to 2 decimal places and other answers to the nearest dollar amount. AvG (perpetuat) Inventory Gross Maroin, AVG perpetual SoldPurchasedSold500400400370133140204172 Ending Inventory 230 AVG (perpetual) Inventory Beginning Sale Purchase sale Purchase Sale Total Purchases Gross Margin, AVG perpetual Gross Margin, AVG perpetual Sales coGs Gross Margin Check My Work 204 - Ave (0erpetual) Inventory Cost of Imventory Aemaining Total cost cost Total Cost eunits Unit Cost Total Gost