Inventory Valuation Methods: A manufacturing company purchased raw materials at varying prices during the month. Using the FIFO method, calculate the value of ending inventory assuming the following purchase prices: $10 per unit for the first 100 units, $12 per unit for the next 200 units, and $15 per unit for the remaining 150 units. Then, using the LIFO method, calculate the value of ending inventory. How do these values differ?