Calculator III.1.1.1.).. The following units of an inventory item were available for sale during the year: Beginning inventory 10 units at $52 First purchase 16 units at $50 Second purchase 21 units at $59 Third purchase 19 units at $65 The firm uses the periodic inventory system. During the year, 47 units of the item were sold. The value of ending inventory using LIFO is E E Oa. $1,490 b. $ 520 c. $970 d. $1,230