Mr. Allen, whose marginal tax rate is 37%, owns an office building that generates $100,000 annual taxable income. He plans to create a family partnership by giving each of his three children a 15% interest in the building. Mr. Allen will retain a 55% interest. Mr. Allen will manage the building, and receive a guaranteed payment of $20,000. If Mr. Allen's children are in the 12% tax bracket, compute the annual tax savings from this income-shifting arrangement.

A. $11250

B. $9,000

C. $5,000

D. $0