400 Calculate a cost of goods) ning inventory and gross margin for A6 Company, considering the following transactions under three different continethods and in patientory dating Provide calculations for lastninstut (LO) Number of Units Unit Cost Sales beginning inventory 2:40 5120 Sold 160 $160 Purchased 520 123 Sold 162 Purchased 410 130 Sold 370 194 Ending inventory 240 LIFO (perpetual) Inventory Cost of Goods Purchased Cost of Goods Sold Cost of Inventory Remaining Number Number Number of Units Unit Cost Total Cost of Units Unit Cost Total Cost of Units Unit Cost Total Cost Beginning Sale Purchase o - a o o a - a Sale I Purchase Cost of Goods Purchased Cost of Goods Sold Number of Units Number of Units Cost of Inventory Remaining Number of Units Unit Cost Total Cost Unit Cost Total Cost Unit Cost Total Cost Beginning Sale Purchase I I Sale [ ] Purchase Sale - o Total Purchases Total COGS Gross Margin, LIFO perpetual Sales COGS Gross Margin