Exercise I. (30 points) Rogers Products uses a periodic inventory system. The company's records show the Current year to be as follows: y erywheph o ne the products of 1-Jan the Beginning Inventory Units 23-Feb Price (5) Cost (5) 20-Apr Purchase Purchase 40 4-May Purchase 200 30-Nov Purchase Totals 4 physical count indicates 15 units in inventory at yearend. Under FIFO method of inventory valuation, the cost of goods sold (COGS) for Rogers Products Under FIFO method of inventory valuation, the cost of ending inventory for Rogers Products is MacBook Air Totals A physical count indicates 15 units in inventory at year end. Under FIFO method of inventory valuation, the cost of goods sold (COGS) for Rogers Products is Under FIFO method of inventory valuation, the cost of ending inventory for Rogers Products is. Under LIFO method of inventory valuation, the cost of goods sold (COGS) for Rogers Products is: Under LIFO method of inventory valuation, the cost of ending inventory for Rogers Products is: Under the average cost method of inventory valuation, the cost of goods sold (COGS) for Rogers Products is: Under the average cost method of inventory valuation, the cost of ending inventory for Rogers Products is: MacBook Air