Ponderosa acquired 100% control of Sumac on January 1, 2009. The purchase differential included $30,000 attributable to undervaluation of Sumac's inventory. Both Ponderosa and Sumac account for inventory using LIFO. Sumac's December 31, 2009 inventory was greater than the beginning balance. Consolidated net income for 2009 will be:
a. $30,000 greater than if FIFO had been used.
b. $30,000 less than if FIFO had been used.
c. The same as if FIFO had been used.
d. Different under FIFO only if there had been a non-controlling interest