Shawn, who is single and has no dependents, has a regular tax liability of $15,820, taxable income of $70,000, tax preferences of $25,000, and positive adjustments attributable to limitations on itemized deductions of $15,000 this year. Shawn's alternative minimum tax for 2009 is:
A) $11,310.
B) $1,717.
C) $2,614.
D) $17,537