Metlock Corporation began operations on December 1, 2024. The only inventory transaction in 2024 was the purchase of inventory on December 10, 2024, at a cost of $23 per unit. None of this inventory was sold in 2024, Relevant information is as follows. Ending inventory units December 31,2024 December 31, 2025, by purchase date December 2, 2025 July 20, 2025 155 155 50. 205 During the year, the following purchases and sales were made. Purchases Sales March 15 355 units at $27 April 10 255 July 20 September 4 December 2 355 units at 29 August 20 355 255 units at 32 November 18 205 155 units at 34 December 12 255 The company uses the periodic inventory method.