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 Involces Model Inventory January 1 1st 2nd 3rd Inventory Count, December 31 A10 4 at $28 4 at $ 31 4 at $ 34 5 B15 a at s 24 4 at 75 3 at 01 Gat 7 E50 3 at 3 at 59 15 at 62 9 at 64 5 G3 222 6 at 230 5 at 240 10 at 229 9 134 12 at 76 10 at 78 16 at 85 16 at 85 13 M9D 2 at 123 2 at 125 3 at 143 3 at 145 S 070 5 at 152 4 at 162 4 at 167 7 at 172 8 Required: 1. Determine the cost of the inventary on December 31 by the first-in, first-aut methad. Ir 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 Cost of the Inventory-FIFO Method December 31 Model Quantity Unit Cost Total Cost Aid $ A10 7 315 5 B15 9 F60 13 G83 134 M90 M90 070 70 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, enter the OLDEST units first. Dymac Appliances Cost of the Inventory-LIFO Method December 31 Model Quantity Unit Cost Total Cost A10 s A10 B15 E60 EGD GB3 GB3 334 334 M90 M90 M90 070 070 Tatal 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 5 B15 7 E60 5 G83 9 J34 13 M90 5 Q70 8 Total $ 4. would be preferred for income tax purposes in periods of rising prices