i need both FIFO and LIFO

Periodic Inventory by Three Methods Dymac Appliances uses the periodic inventory system. Details regarding the inventory of appliances at January 1, puro invoices during the next 12 months, and the inventory count at December 31 are summarized as follows: Purchases Invoices Model Inventory, January 1 C 1st 2nd 3rd Inventory Count, December 31 A10 4 at $ 28 4 at $ 31 4 at $34 B15 E60 at 3 at 7 at 12 at G83 $ 82 4 at 703 at 218 6 at 64 10 at 111 2 at 1674 at 73 3 at 60 15 at 226 5 at 66 16 at 1133 at 177 4 at 796 at 63 9 at 236 10 at 73 16 at 131 3 at 1827 at 86 65 235 74 133 187 134 M90 Q70 5 at Required: 1. Determine the cost of the inventory on December 31 by the first-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 units PURCHASED MOST RECENTLY first. 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 $ A10 B15 E60 E60 G83 G83 134 134 M90 M90 M90 070 270 = = = 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 Quantity Unit Cost Total Cost Model A10 $ B15 E60 G83 134 M90 Q70 Total would be preferred for income tax purposes in periods of rising prices