anyone pleaee help me , only the areas where it is marked it red

art 1 of 4 Required information The following information applies to the questions displayed below) Trey Monson starts a merchandising business on December and enters into the following three inventory purchases Monson uses a periodic inventory system. Also, on December 15, Monson sells 27 units for $20 each 76 ints Purchases on December 7 Purchases on December 14 Purchases on December 21 17 units $8.09 cost 34 units $12.00 cost 27 units $14.00 cost Required: Determine the costs assigned to the December 31 ending inventory based on FIFO method. Answer is complete but not entirely correct. Penodic FIFO Door Goods Available for sale Cost of Cost #of Goods units per Available unit for Sale Costosoods Sold Not COST Cost of per Goods Sold Sold Hof units in ending inventory Cost pel Ending Inventory 1758.00 S 136 s 0 17 $8.00 17 3 12 00 136 204 ooo 34 12.00 Purchases December 7 December 14 December 21 Total 408 0 1200 271400 378 378 0 34 27 14.00 27 78 $ 922 $ 340 378