At the start of the current year, SBC Corp. purchased 30% of Sky Tech Inc. for $45 million. At the time of purchase, the carrying value of Sky Tech's net assets was $75 million. The fair market value of Sky Tech's depreciable assets was $15 million in excess of their book value. For this year, Sky Tech reported a net income of $75 million and declared and paid $15 million in dividends.
The amount of purchased goodwill is:
A. $18 million.
B. $30 million.
C. $60 million.
D. None of these is correct.