i got the very first one i think. but now im lost.

E7-6 (Algo) Calculating Ending Inventory and Cost of Goods Sold Under FIFO, LIFO, and Average Cost LO7-2 Hamilton Company uses a periodic inventory system. At the end of the annual accounting period, December 31 of the current year, the accounting records provided the following information for product 1: Unit Unit Cont Tnventory, December 31, prior year 1,930 $7 Tor the current year Purchase, March 21 6,110 Purchase, Nugust 1 4,140 Inventory. December 31, current year 2,870 Required: Compute ending inventory and cost of goods sold under FIFO, LIFO, and average cost inventory costing methods. (Round "Average cost per unit" to 4 decimal places and final answers to nearest whole dollar amount.) FIFO LIFO Average Cost $ 11,480 Ending inventory Cost of goods sold