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at Sola 280 Units 360 each Units Cost per Unit Total cost Beginning Iventory 35 40 1,400 Purchase 1 80 42 3,360 Purchase 2 130 5.720 Purchase 3 3 a5 46 4,376 Good available For sale 340 14,850 FTFO LIFO AVERAGE Cost of goods sold Ending Inventory Sales Gross Profit