Please help me get the moving-cost average COST OF GOODS SOLD and ENDING INVENTORY. Thank you.

Current Attempt in Progress Inventory data for Concord Company are reported as follows. Assume a sale of 790 units occurred on June 15 for a selling price of $10 and a sale of 600 units on June 27 for $9. Current Attempt in Progress Inventory data for Concord Company are reported as follows. Assume a sale of 790 units occurred on June 15 for a selling price of $10 and a sale of 600 units on June 27 for $9