Answer:
Nareen's 2018 QBI deduction is $12948.
Step-by-step explanation:
Schedule C profit 82520
SEP (self-employed pension) plan contribution (3500)
self-employment tax (50%*11660) (5830)
self-employed health insurance (8450)
(17780)
Qualified business income $64740
Qualified business income rate 20%
QBI deduction $12948
Therefore, Nareen's 2018 QBI deduction is $12948.