The following units of an inventory item were available for sale during the year:

Beginning inventory	7 units at $52
First purchase	18 units at $52
Second purchase	27 units at $59
Third purchase	16 units at $57

The firm uses the periodic inventory system. During the year, 56 units of the item were sold.

The value of ending inventory using LIFO is

a. $364

b. $624

c. $988

d. $806