please show steps dont use excel thank you

ABC Company makes the following purchases: 1. One item on 2/2/2020 for $10 2.One item on 2/15/2020 for $15 3.One item on 2/25/2020 for $20 ABC Company sells one item on 2/28/2020 for $90. What would be the balance of ending inventory and cost of goods sold for the month ended February 2020 1 Find the Ending Inventory and Cost of good Sold by: 1. FIFO? 2. Average cost