Periodic Inventory by Three Methods Dymac Appliances uses the periodic inventory system. Details regarding the inventory of appliances at January 1, purchases invoices during the next 12 months, and the inventory count at December 31 are summarized as follows: Purchases Invoices Model Inventory, January 1 Ist 2nd 3rd Inventory Count, December 31 A10 4 at $ 39 4 at $ 42 4 at $ 45 5 B15 8 at $ 89 4 at 80 3 at 86 6 at 93 7 E60 3 at 74 3 at 64 15 at 67 9 at 69 5 G83 7 at 210 6 at 218 5 at 228 10 at 227 9 134 12 at 83 10 at 85 16 at 92 16 at 93 13 M90 2 at 104 2 at 106 3 at 124 3 at 126 5 Q70 5 at 169 4 at 179 4 at 184 7 at 189 8 If the inventory of a particular model comprises one entire purchase plus a portion of another purchase acquired at a different unit cost, use a separate line for each purchase. If units are in inventory at two different costs, enter the units PURCHASED MOST RECENTLY first. Dymac Appliances Castal the Inventory-FIFO Method December 31 Model Quantity Unit Cost Total cost A10 A10 B15 B15 E60 G83 334 M90 M90 070 070 Total 2. Determine the cost of the inventory on December 31 by the last in first out method If the inventory of a particular model comprises one entire purchase plus a portion of another purchase acquired at a different unit cost, use a separate line for each purchase. If units are in inventory at two different costs, antar the OLDEST units first DAN cost of the inventory LIFO Hethod Model Quantity Unit Com Total Cost AID 5 A10 315 E60 550 683 G83 134 134 M90 M90 MSO 070 970 Total 3. Determine the cost of the inventory on December 31 by the weighted average cost method. Dymac Appliances Cost of the Inventory-Weighted Average Method December 31 Model Quantity Unit Cost Total Cost A10 B15 E60 G83 134 M90 070 Total $ $ 4a. Which inventory method would be preferred for income tax purposes in periods of rising prices? 4b. Which inventory method would be preferred for income tax purposes in periods of declining prices