The fair value of net identifiable assets exclusive of goodwill of a reporting unit of X Company is $300,000. On X Company's books, the carrying value of this reporting unit's net assets is $350,000, including $60,000 goodwill. If the fair value of the reporting unit is $335,000, what amount of goodwill impairment will be recognized for this unit?
a) $0
b) $10,000
c) $25,000
d) $35,000