question from the images

Concord Furniture Ltd, uses a perpetual inventory system and has a beginning inventory, as at June 1 , of 510 bookcases at a cost of $138 each. During June, the company had the following purchases and sales of bookcases: Determine the cost of goods sold and the cost of the ending inventory using the average cost formula. (Use unrounded numbers for average cost calculations. Round answers to 2 decimal places, e.8 5.52.)