I just need the last graph complete

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 Purchases Invoices Model Inventory 1st 2nd January 1 Inventory Count, December 31 A10 4 at $ 42 4 at $ 45 4 at $ 48 5 B15 8 at $ 87 4 at 78 3 at 84 6 at 91 7 E60 3 at 70 3 at 60 15 at 63 9 at 65 5 GOS 7 at 6 at 249 5 at 259 10 at 258 9 334 12 at 68 10 at 70 77 16 at 78 M90 2 at 103 2 at 105 3 at 123 3 at 125 5 5 169 4 at 179 4 at 184 7 at 189 Required: 241 16 al 070 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 Dymac Appliances Cost of the inventory-FIFO Method December Model Total Cost A10 40 192 A10 1 45 015 6 91 546 1 5 65 325 683 9 334 13 78 2,322 1,014 375 H90 3 125 H90 2 123 970 109 970 104 104 Total 5 6,6567 ory 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 purch Dymac Appliances Cost of the Inventory-LIFO Method December 31 Quantity Unit Cost Total Cost Model A10 4 42 168 A10 1 45 45 B15 7 87 609 E60 3 70 210 E50 60 120 G83 7 241 1,687 G83 2 249 498 134 127 68 816 7 234 17 70 70 103 M90 M90 206 2 105 210 M90 1 123 123 070 5 169 070 179 5377 Total 6,144 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 $ 45 $ 225 B15 7 87 X E60 5 87 X G83 9 87 134 13 87 X M90 5 87 X Q70 8 87 Total $ 4a. Which inventory method would be preferred for income tax purposes in periods of rising prices? LIFO method 4b. Which inventory method would be preferred for income tax purposes in penods of declining prices? FIFO method