Corporations Face the Following Tax Schedule

Corporations face the following tax schedule:
Company Z has $80,000 of taxable income from its operations,$5,000 of interest income,and $30,000 of dividend income from preferred stock it holds in other corporations.What is Company Z's tax liability?

A) $17,328
B) $18,240
C) $19,200
D) $20,210
E) $21,221