How do I find ending inventory if COGS is not known? I am struggling to figure it out. Due ASAP! Thank you

Question 1 --/1 View Policies Current Attempt in Progress The management of Shamrock, Inc. asks your help in determining the comparative effects of the FIFO and LIFO inventory cost flow methods. For 2022, the accounting records show these data. Inventory, January 1 (12,500 units) $50,000 Cost of 129,000 units purchased 568,200 Selling price of 104,000 units sold 796,000 Operating expenses 129,500 Units purchased consisted of 36,000 units at $4.20 on May 10; 67,000 units at $4.40 on August 15; and 26,000 units at $4.70 on November 20. Income taxes are 28%. (a) Prepare comparative condensed income statements for 2022 under FIFO and LIFO. (Round answers to O decimal places, e.g. 5,125.) Shamrock, Inc. Condensed Income Statements For the Year Ended December 31, 2022 FIFO LIFO Sales 796000 796000 Cost of Goods Sol Beginning Inventc 50000 50000 Cost of Goods Pur 568200 568200