Acker Inc. bought 40% of Howell Co. on January 1, 2010 for $576,000. The equity method of accounting was used. The book value and fair value of the net assets of Howell on that date were $1,440,000. Acker began supplying inventory to Howell as follows:
Howell reported net income of $100,000 in 2010 and $120,000 in 2011 while paying $40,000 in dividends each year.
What is the amount of unrealized intra-entity inventory profit to be deferred on December 31, 2010?