Required information [The following information applies to the questions displayed below.] Brooke, a single taxpayer, works for Company A for all of 2018, earning a salary of $51,000. b. Assume Brooke works for Company A for half of 2018, earning $51,000 in salary, and she works for Company B for the second half of 2018, earning $91,000 in salary. What is Brooke's FICA tax obligation for the year? (Round your intermediate calculations to the nearest whole dollar amount.) FICA tax obligation$ 9,406