plsss helpp it has three parts this is part a

Determine the cost in the Ending Inventory depending on the method selected in the four separate scenarios below Units Transaction Beginning Inventory Purchased 100 Unit Costs $12.0 $12.5 400 Sold 200 Purchased 500 $13.0 Sold 300 $13.5 Sold 250 Purchased 250 Sold 400 1) Periodic FIFO 2) Perpetuals FIFO 3) Periodic Weighted Average 4) Perpetual Weighted Average 5) LIFO Periodic