Farr Co. adopted the dollar-value LIFO inventory method on December 31, 2012. Farr's entire inventory constitutes a single pool. On December 31, 2012, the inventory was $480,000 under the dollar-value LIFO method. Inventory data for 2013 are as follows:

12/31/13 inventory at year-end prices 660000

Relevant price index at year end (base year 2012) 110

Using dollar value LIFO, Farr's inventory at December 31, 2013 is? Please show your work step-by-step.

a) $600,000.

b) $528,000.

c) $612,000.

d) $660,000.