Firm A reported the following April activity for inventory purchases:
Purchase Date	Units Purchased				Unit Price
April 10		500			2.5
April 24		400			2.6
April 20		400			2.65
Beginning inventory consisted of 300 units acquired at $2.40. A physical count of ending inventory finds there are 600 units left
at end of April. The cost of goods sold assuming LIFO and its periodic Inventory system is:

A: $2,600

B: $2,490

C: $2,540

D. None of the above

E. $1,580