determine ending inventory under specific identification.

Concord Corporation began operations on December 1, 2022. The only inventory transaction in 2022 was the purchase of inventor on December 10,2022 , at a cost of $21 per unit. None of this inventory was sold in 2022. Relevant information for fiscal 2023 is as follows: Ending inventory units: During 2023, the following purchases and sales were made: During 2023 , the following purchases and sales were made: The company uses the periodic inventory method