I need help finding FIFO AND LIFO

Laker Company reported the following January purchases and sales data for its only product. For specific identification, ending inventory consists of 260 units from the January 30 purchase, 5 units from the January 20 purchase, and 25 units from beginning inventory. $ 9.50 $ 8.ee Date January anuary January January anuary Units Acquired 170 units 120 units 260 units 550 units Units sold at Retail 1 10 20 25 30 Activities Beginning inventory Sales Purchase Sales Purchase Totals at Cost 1,615 1, 020 2,080 a, 715 130 units 130 units 260 units $ 18.50 $ 18.50