Layla has $200,000 of QBI from her neighborhood clothing store (a sole proprietorship). Her proprietorship paid $30,000 in W-2 wages and has $20,000 of qualified property. Layla's spouse earned $50,000 of wages as an employee, and the couple earned $20,000 of interest income during the year. They will be filing jointly and take the standard deduction of $25,100. What is their QBI deduction for 2021? a.$-0-. b.$54,000. c.$40,000. d.$48,980.