please help me fix this I would really appreciate it if you could explain the process for the wrong item

[The following information applies to the questions displayed below.] Warnerwoods Company uses a perpetual inventory system. It entered into the following purchases and sales transactions for March.

Date

Activities

Units Acquired at Cost

Units Sold at Retail

Mar.

1

Beginning inventory

100

units

@ $51.00 per unit

Mar.

5

Purchase

400

units

@ $56.00 per unit

Mar.

9

Sales

420

units

@ $86.00 per unit

Mar.

18

Purchase

120

units

@ $61.00 per unit

Mar.

25

Purchase

200

units

@ $63.00 per unit

Mar.

29

Sales

160

units

@ $96.00 per unit

Totals

820

units

580

units

Problem 5-1A Part 3

3. Compute the cost assigned to ending inventory using (a) FIFO,(b) LIFO, (c) weighted average, and (d) specific identification. For specific identification, the March 9 sale consisted of 80 units from beginning inventory and 340 units from the March 5 purchase; the March 29 sale consisted of 40 units from the March 18 purchase and 120 units from the March 25 purchase.(b) LIFO, (c) weighted average, and (d) specific identification. For specific identification, the March 9 sale consisted of 80 units from beginning inventory and 340 units from the March 5 purchase; the March 29 sale consisted of 40 units from the March 18 purchase and 120 units from the March 25 purchase.

Perpetual LIFO: Goods Purchased Cost # of units per unit # of units Cost of Goods Sold Cost Cost of Goods per Sold unit Date sold Inventory Balance Cost # of units Inventory per Balance unit $ 100 @ 51.00 $ 5,100.00 March 1 = March 5 400 @ $ 56.00 100 @ = $ 5,100.00 IS 51.00 $ 56.00 400 @ 22,400.00 $27,500.00 March 9 340 X @ $ 17,340.00 80 @ $ 4,080.00 $ 51.00 $ 56.00 S 51.00 $ 56.00 340 X @ 19.040.00 0@ = $ 36,380.00 $ 4,080.00 0 March 18 120 @ $ 61.00 o 80 @ $ 51.00 $ 4,080.00 0@ 120 @ 56.00 $ 61.00 7,320.0 $ 11,400.00 March 25 200 @ 80 @ = $ 4,080.00 63.00 @ $ 51.00 $ 56.00 $ 61.00 $ 63.00 120 @ 7,320.00 200@ 12,600.00 $ 24,000.00 March 29 0 @ Is 0.00 oxl@ $ 51.00 40 X @ 2,240.00 0@ 56.00 $ 51.00 $ 56.00 $ 61.00 $ 63.00 80 X @ 4,880.00 40 X @ 2,440.00 61.00 S 63.00 0X @ 0.00 200 Xl @ 12,600.00 $ 7,120.00 $ 15,040.00 Totals $ 43,500.00 $ 15,040.00