Francisco, a single taxpayer, is self-employed and files Schedule C. Francisco has taxable income of $88,000 from a business which qualifies as Qualified Business Income (QBI). Francisco has no other income to be considered for income limitation calculation for the year. In 2021, some office furniture used in this business was sold for $3,300. The furniture was purchased in 2018 for a cost of $4,950 and $3,094 in allowable depreciation has been taken. What is Francisco's QBI for 2021?

1. $76,574
2. $82,791
3. $83,227
4. $84,877