Under Perpetual system whats the inventory balance and cost of goods sold under the average cost method?

Alura Corporation provides the following information related to its merchandise inventory during the month of August 2021: Aug. 1 Inventory on hand-2,000 units; cost $5.30 each. Purchased 8,000 units for $5.50 each. Sold 6,000 units for $12.00 each. Purchased 6,000 units for $5.60 each. Sold 7,000 units for $11.00 each. Purchased 4,000 units for $5.80 each. Inventory on hand-7,000 units. 8 14 18 25 28