Please, help me solve this, explain to me how did you get the results. Thank you!

During 2021, a company sells 23 units of inventory. The company has the following inventory purchase transactions for 2021: Number Unit Total of Units Transaction Date Cost Cost Jan. 1 Beginning inventory Sep. 8 Purchase $58 $ 14 812 16 66 960 $1,772 30 Calculate ending inventory and cost of goods sold for 2021 assuming the company uses FIFO. Ending inventory Cost of goods sold During 2021, a company sells 22 units of inventory. The company has the following inventory purchase transactions for 2021 Number of Units Unit Total Transaction Cost Cost Date $58 Jan. 1 Beginning inventory Sep. 8 $1,102 19 60 10 600 se $1,702 29 Calculate ending inventory and cost of goods sold for 2021 assuming the company uses LIFO. Ending inventory Cost of goods sold During 2021, a company sells 20 units of inventory. The company has the following inventory purchase transactions for 2021 Number of Units Unit Total Transaction Date Cost Cost $ 750 1,260 $ 50 Jan. 1 Beginning inventory Sep. 8 Purchase 15 10 126 $2,010 25 Calculate ending inventory and cost of goods sold for 2021 assuming the company uses the weighted-average cost method. (Round weighted-average unit cost to 4 decimal places. Round your final answers to the nearest dollar amount.) Ending inventory Cost of goods sold