On January 1, 20X8, L Corporation acquired all of the common stock of S Company for $300,000. On that date, S Company's identifiable net assets had a fair value of $250,000. The assets acquired in the purchase of S are considered to be a separate reporting unit of L Corporation. The carrying value of S Company's net assets at December 31, 20X8, is $310,000. The fair value of the reporting unit is determined to be 260,000. Determine the amount, if any, of impairment loss to be recognized at December 31, 20X8.

a. 40,000
b. 50,000
c. 10,000
d. 60,000