Jay, a single taxpayer, operated a hardware store as a sole proprietorship during 2020. He has the following information: Net sales from the hardware store $300,000 Operating expenses of the hardware store 200,000 Dividend income 5,000 Taxable income before the Qualified Business Income (QBI) deduction 90,000 What is Jay's Qualified Business Income (QBI) deduction? a. $18,000 b. $60,000 c. $20,000 d. $- 0 - e. $21,000