Synergy Company began 2023 with 21,000 units of Product X in its inventory that cost $7.90 per unit, and it made successive purchases of the product as follows: Mar. 7 28,000 units $9.40 each May Aug- 25 33,000 units $11.40 each 1 23,500 units @$12.40 each Nov. 18 33,000 units @$13.90 each The company uses a periodic inventory system. On December 31, 2023, a physical count disclosed that 17,000 units of Product X remained in inventory.