I have tried to answer (A) and (C) and have already Put it on Chegg but got those wrong answers back from them

ebook show how Periodic Inventory Uning FIFO, LIFO, and weighted Average cost Methods The units of an item available for sale during the year were as follows: Jan 1 Invertory unitat 536 5324 Aug 13 Purchase 15 units at 5:30 570 Nov. 30 Purchase 6 units at $40 240 Available for sale 30 units There are 18 units of the item in the shysical tary at December 31. The periode inventory system is used. Determine the mentary cost using the first test (FFO) method; (b) fast-in, first-out (LFO) method, and (c) weighted average cost method (round peut cont to two decimal places and your finalwer to the nearest whole dar) * First-in, first-out (FFO) 438 5: Lastin, first-out (FO) 666 Weighted average com 453.6 X 5 WOW . When the FIFO method is used, costs are included in cost of goods sold in the order in which they were purchased bi When the LIFO method is used the cost of the units sold in the cost of the most recent purchase The average cost method is sometimes called the weighted average method. The average cost method uses the average unit coat for determining custoode siden the ending inventory