provide detail explanation

Sheffield Furniture Ltd. uses a perpetual inventory system and has a beginning inventory, as at June 1. of 520 bookcases at a cost of $122 each. During June, the company had the following purchases and sales of bookcases: Purchases Units Unit cost 1.190 $124 Sales Unit price Date June Units 6 10 960 $206 1,850 125 14 16 26 1,630 211 1,030 126 * Your answer is incorrect. 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.g 5.52.) Cost of goods sold 322791.7 Cost of the ending inventory $ $ 249260