6. Inventory assumptions: Beginning inventory of 10 units @ $5 = $50 Purchases month #1 of 10 units @ $10 = $100 Purchases month #2 of 10 units @ $15 = $150 Cost of goods available for sale (subtotal) = $300 10 units are sold. a) (5 points) Calculate the cost of goods sold under the LIFO inventory method, determine the ending inventory (how many units), and determine the value of the remaining inventory Last in first out o b) (5 points) Calculate the cost of goods sold under the FIFO inventory method, determine the ending inventory (how many units), and determine the value of the remaining inventory. First in First out