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Sales during the year were 1,180 units. Beginning inventory was 370 units at a cost of $4 per unit. Purchase 1 was 590 units at $5 per unit Purchase 2 was 910 units at $6 per unit. Required: a. Assume the periodic inventory system is used. Calculate cost of goods sold and ending inventory using FIFO method. (Enter all values as a positive value.) Periodic FIFO Cost of Goods Available for Sale # of Cost per Cost of Goods unit Available for Sale Cost of Goods Sold # of units Cost of sold unit Goods Sold Cost per Inventory Balance # of units Cost per Ending in ending unit Inventory Inventory Beg. Inventory Purchases. Purchase 1 Purchase 2 Total b. Assume the periodic inventory system is used. Calculate cost of goods sold and ending inventory using LIFO method (Enter all values as a positive value.) Periodic UFO Cost of Goods Available for Sale #of Cost of Goods units unit Available for Sale Cost per Cost of Goods Sold #of units Cost per Cost of unit Goods Sold Inventory Balance of units Cost per Ending in ending Inventory inventory Sold Beg Inventory Purchases Purchase 1 Purchase 2 Total