Stella watters is a cpa and operates her own accounting firm (watters cpa llc). as a single member llc, stella reports her accounting firm operations as a sole proprietor. stella has qbi from her accounting firm of $540,000, she reports w–2 wages of $156,000, and the unadjusted basis of property used in the llc is $425,000. stella is married and will file a joint tax return with her spouse. their taxable income before the qbi deduction is $475,000, and their modified taxable income is $448,000. determine stella’s qbi deduction for 2019.