Can you check to see if my Specific identification is correct and FIFO, then calculate the ending inventory using the weighted average cost method please using these numbers

Question 4 Monty Corporation began operations on December 1, 2019. The only inventory transaction in 2019 was the purchase of inventory on December 10, 2019, at a cost of $20 per unit. None of this inventory was sold in 2019. Relevant information for fiscal 2020 is as follows: Ending inventory units: December 31, 2019 140 December 31, 2020, by purchase date -Dec. 2, 2020 140 -July 20, 2020 30 170 During 2020, the following purchases and sales were made: Purchases Sales Mar. 15 410 units at $24 Apr. 10 240 July 20 410 units at $27 Aug. 20 280 Sept. 4 210 units at $29 Nov. 18 190 Dec. 2 140 units at $30 Dec. 12 430 The company uses the periodic inventory method. Determine ending inventory under specific identification. Ending inventory 5,010 LINK TO TEXT Determine ending inventory under FIFO. Ending inventory 5,070 LINK TO TEXT Determine ending inventory under weighted average cost. (Round weighted average cost per unit to 2 decimal places, e.g. 52.75 and final answer to 0 decimal places, e.g. 5,275.) Ending inventory s LINK TO TEXT LINK TO TEXT