During June, the following changes in inventory took place:

June 1: Balance1,400 units @ $24

June 14: Purchased 800 units @ $36

June 24: Purchased 700 units @ $30

June 8: Sold 400 units @ $50

June 10: Sold 1,000 units @ $40

June 29: Sold 500 units @ $44

Perpetual inventories are maintained.

The cost of goods sold under LIFO is

a)50,800

b)48,600

c)50,000

d)28,800