Tammy has $200,000 of QBL from her neighborhood clothing store (a sole proprietorship). Her proprietorship paid $30,000 in W-2 wages and has $20,000 of qualified property. Tammy's spouse earned $50,000 of wages as an employee, and the couple earned $20,000 of interest income during the year and will be filing jointly. What is their QBI deduction for 2019? a. $-0- Ob. $54,000 c. $50,000 Od. $40,000 e. None of these choices are correct