Part 1: Compute Cost of Goods Available for Sale: Part 2: Compute Ending Inventory and Cost of Goods Sold assuming Tiger Company uses: (a) Periodic System, LIFO (b) Perpetual system, LFO Part 3: Prepare the proper journal entries for Tiger Company for all the transactions using both periodic and perpetual systems. Assume all purchases and sales are on account. 3/1 Purchase 900 units at $7 5/2 Sale of 1,200 units at $15 7/20 Purchase 1,000 units at $9 12/1 Sale of 800 units at $16 End of period entries for inventory accounts (if needed)