why isnt the lifo calculation correct ?

and how do you calculate the average cost?

Alternative Inventory Methods Park Company's perpetual inventory records indicate the following transactions in the month of June: Units Cost/Unit $3.20 taventory, June 1 200 Purchases: June 200 3.50 June 12 250 3.60 June 24 300 3.65 June 6 300 200 June 21 June 27 150 Required: 1. Compute the cost of goods sold for one and the inventory at the end of June using each of the following cost flow assumption: If required, round your answers to the nearest colle. 1. FIFO Cost of Goods Sold $ 2,240 Ending Inventory $ 1,095 2. uro (Round your intermediate calculations and final answers to the nearest cent.) Cost of Goods Sold 2.345 X Ending Inventory $ 990 X 3. Average cost in your computations, round unit costs to 3 decimal places and other amounts to the nearest dollar) Cost of Goods Sold 749.45 x Ending Inventory 345.90 X in reach the three methods