Unit z Inventory Valuation Wrap Up 1. Assume that the Toys Galore store purchased and sold a line of dolls during December as follows Dec 1 - Beginning merchandise inventory 13 units @ $9 each Dec 8 - Sale 8 units @ $22 each . Dec 14 - Purchase 16 unites @ $14 each Dec 21 - Sale 14 units @ $22 each Requirements 1. Compute COGS, cost of ending inventory and gross profit using the FIFO inventory costing method. 2. Compute the COGS, cost of ending inventory and gross profit using the LIFO inventory costing method. 3. Compute the COGS, cost of ending inventory and gross profit using the weighted average inventory costing method. IFO