wht dle th (2) LIFO, and (3) average cost flow? Nole. Inventory Computation Using Different Cost Flows Brooklyn Corporation had the following transactions relating to product X during Exercise 9-36 Units Unit C 600 units $15 200 units 20 400 units 100 units 250 units300 150 units350 300 units Date September 1 Balance on hand 12 Sale.. 13 Sale 18 Purchase 20 Purchase 25 Sale .. Determine the ending inventory value under each of the following costing methods 1. FIFO (perpetual) 2. FIFO (periodic) 3. LIFO (perpetual) 4. LIFO (periodic)