Evie, a single taxpayer, is a 50% partner in a parTnership. The partnership reports $100,000 of ordinary business income and no separately stated items. Evie also has $30,000 of taxable income and takes a $12,000 standard deduction. Evie will be allowed a Qualified business deduction of:

A. $20,000

b. $50,000

c. $13,600

d. $10,000