Weighted Average and Specific Identification help Needed!

Warnerwoods Company uses a perpetual Inventory system. It entered into the following purchases and sales transactions for March. Daie Activities Units Sold at Retall Units Acquired at Cost 180 unlts $52.60 per unlt 265 units $57.60 per unit inventory Mar. 5 Purchase Mar. 9 Sales Mar. 18 Purchase Mar. 25 Purchase Mar. 29 Sales 340 unlts $8760 per unit 25 unlts @ $62.60 per unit 230 units$64.60 per unit 210 unlts $9760 per unlt Totals 800 units 550 units