Campbell, a Single Taxpayer, Has $400,000 of Profits from Her

Multiple Choice

Campbell, a single taxpayer, has $400,000 of profits from her general store that she operates as a sole proprietorship. She has no employees, $40,000 of qualified property, and $500,000 of taxable income before the deduction for qualified business income. How much is Campbell's deduction for qualified business income?

A) $100,000.
B) $80,000.
C) $20,000.
D) $1,000.
E) $0.