Peter samuels owns and manages his single-member llc that provides a wide variety of financial services to his clients. he is married and will file a joint tax return with his spouse, amy. his llc reports $300,000 of qualified business income, w–2 wages of $120,000, with qualified property with an unadjusted basis of $75,000. their taxable income before the qbi deduction is $285,000 (this is also their modified taxable income). determine their qbi deduction for 2019.

Portia grant is an employee who is paid monthly. for the month of january of the current year, she earned a total of $8,388. the fica tax for social security is 6.2% of the first $118,500 earned each calendar year and the fica tax rate for medicare is 1.45% of all earnings. the futa tax rate of 0.6% and the suta tax rate of 5.4% are applied to the first $7,000 of an employee's pay. the amount of federal income tax withheld from her earnings was $1,391.77. what is the total amount of taxes withheld from the portia's earnings?