i got LIFO ans FIFO wrong. please explain the correct answer.

290 units in sales

ending inventory 610

Beginning Inventory Purchase Purchase Date January 1 January 15 January 24 Units Unit Cost 240 $ 70 450 80 210 100 Total Cost $16,800 36,000 21,000 FIFO Cost of Ending Cost of Goods Inventory Sold $ 20,800 $ 53,000 $ 27,400 $ 464,000: $ 50,020 $ 23,780 LIFO Weighted Average Cost