need help with these two accounting 1 problems

inventory Costing Methods and the Periodic Method Lambeth Company experienced the following events in January: Units Unit Cost Total Cost Date Event Jan. 10 Purchased inventory 100 $40 $4,000 Jan. 20 Purchased inventory 200 a $42 $8,400 Jan. 30 Sold inventory 150 f the Lambeth Company uses the FIFO inventory costing method, calculate the company's cost of goods sold and its ending inventory as of January 31 assuming the periodic method Cost of goods sold Ending inventory