Given the following data, calculate the cost of ending inventory using the LIFO costing method. (Be sure to show your work.)

Date	Item	Unit
1/1	Beginning Inventory	30 units at $10 per unit
2/25	Purchase of Inventory	15 units at $12 per unit
5/20	Purchase of Inventory	25 units at $13 per unit
8/15	Purchase of Inventory	20 units at $14 per unit
10/17	Purchase of Inventory	25 units at $15 per unit
12/31	Ending Inventory	65 units

A) $915

B) $740

C) $720

D) $545