15B-4. On January 1, 20XX, Ashley Company, a company that uses the periodic inventory system, began with 150 units of product B in inventory with a unit cost of $20. The following additional purchases of the product were made: RUB Apr. 1 Jul. 5 210 units @ $30 each 500 units @ 40 each 450 units @ 50 each 200 units @ 60 each Check Figu LIFO 552 Aug. 15 Nov. 20 At end of year, Ashley Company had 400 units of its product unsold. Calculate cost of ending inventory as well as cost of goods sold by the (a) FIFO, (b) LIFO, and (c) weighted average methods. (Round the weighted average to the nearest cent.) the retail method to estimate cost of ending inventory luing facts, estimate Marge's une