if anyone can help me with this that would just save my life!

Inventory Purchases Sales May 1 2,700 units at $29 May 10 1,350 units at $31 May 12 1,890 units May 20 1,215 units at $33 May 14 1,620 units May 31 810 units Assume that the business maintains a perpetual inventory system, costing by the first-o, first-out method. Determine the cost of merchandise sold for each sale and the Inventory balance after each sale, presenting the data in the form Illustrated in Exhibit 3. Under FIFO, units are in inventory at two different costs, enter the units with the LOWER unit cost first in the cost of Merchandise Sold Unit Cost column and in the Inventory Unit Cost column. Schedule of Cost of Merchandise Sold FIFO Method Prepaid Cell Phones Purchases Purchases Purchases Cost of Merchandise Cost of Merchandise Cost of Merchandise Inventory Inventory Inventory Date Quantity Unit Cost Total Cost Sold Quantity Sold Unit Cost Sold Total Cost Quantity Total Cost Unit Cost May 1 May 10 I 3 0 MY 12 LOD000 000 I III May May 20 o O DI II DIO May 31 May 31 Balances Previous > Net