Can you please help me with this? I don't even know where to start. Thank you

Use the following information for the Quick Study below. (Algo) (5-7) [The following information applies to the questions displayed below.] A company reports the following beginning inventory and two purchases for the month of January. On January 26 , the company sells 310 units. Ending inventory at January 31 totals 130 units. S 6-5 (Algo) Perpetual: Inventory costing with FIFO LO P1 equired: issume the perpetual inventory system is used. Determine the costs assigned to ending inventory when costs are assigned based he FIFO method. Required: Assume the perpetual inventory system is used. Determine the costs assigned to ending inventory when costs are assigned based on the FIFO method