I have to calculate the Cost of goods sold for Weighted Average cost, FIFO, and LIFO. I would really appreciate it if someone could help me.

All-Pages Book Company reports the following inventory transactions during the current month. All-Pages uses the perpetual method for inventory Number of Units Unit Cost Total Cost Event Date Dec. I s12 14 15 $4,800 400 500 400 1,050 200 500 750 Beg. Inventory 7,000 6,000 Purchasc Purchase Sale Purchase Purchase 13b 15 ch 2415 28ch 16 20 3,200 10,000 Dec.30 Sale Required: Calculate the Cost of Goods Sold using the Weighted Average, FIFO, and LIFO inventory costing methods. Fill in the following table with DOLLAR AMOUNTS SS: Weighted Ave. Cost FIFO LIFO Cost of Goods Sold