The cost of goods sold using the LIFO perpetual will be $25 ($5 x 5), while the cost of goods sold using the LIFO periodic is $30 ($6 x 5).
The LIFO method is a cost flow assumption that is based on valuing the cost of goods sold based on the cost of items in stock at the end of the period (periodic) or the period when the stock was sold (perpetual) by assuming that the last stock is sold first.
Date Description Units Unit Cost Total Cost
May 1 Beginning inventory 10 $5 $50
May 10 Sales -5
May 15 Purchases 20 $6 $60
May 31 Ending inventory 25
Thus, the cost of goods sold using the LIFO perpetual will be $25 ($5 x 5), while the cost of goods sold using the LIFO periodic is $30 ($6 x 5).
Learn more about the LIFO method at https://brainly.com/question/10026597