Ashby, Who Is Single and Age 30, Provides You with the Following

Multiple Choice

Ashby, who is single and age 30, provides you with the following information from his financial records for 2014.
$\begin{array}{lr}\text { Regular income tax liability } & \$ 47,228 \\\text { AMT positive adjustments } & 40,000 \\\text { AMT preferences } & 20,000 \\\text { Taxable income } & 195,000\end{array}$

Calculate his AMT exemption for 2014.

A) $0.
B) $17,000.
C) $51,900.
D) $52,800.
E) None of the above.