Ting is a CPA and a single taxpayer using the standard deduction. In 2019, her CPA practice generates qualified business income of $162,200; she records no other income or losses. Ting’s taxable income before the QBI deduction is $150,000 ($162,200 – $12,200 standard deduction). Ting employs an administrative assistant in her practice and pays him $75,000 in wages. The unadjusted basis of depreciable assets employed in the practice total $30,000.

a. What is Ting’s qualified business income deduction?

b. Determine Ting’s qualified business income deduction if her CPA practice generates QBI of $312,200.