In 2016, May Corporation (A Calendar Year Taxpayer) Had the Following

In 2016, May Corporation (a calendar year taxpayer) had the following transactions: $\begin{array}{lr}\text { Taxable income } & \$ 4,000,000 \\\text { Mining exploration costs claimed } & 1,000,000 \\\text { Percentage depletion claimed (the property had a zero adjusted basis) } & 2,400,000\\ \text {Donation of stock held since 1988 as investment (basis of \( \$ 100,000 \) } &\\ \text { and fair market value of \( \$ 400,000 \) ) to a qualified charity } &400,000\\ \text { Costs of goods sold } &960,000\\\end{array}$ For 2016, May Corporation's AMTI is:

A) $6,300,000.
B) $7,150,000.
C) $7,250,000.
D) $7,300,000.
E) None of the above.