5. Bob had two jobs in 2017 earning a total of $139,850 in taxable wages. He paid Social Security taxes (SST) of $7,492.70 from his primary job, ($120,850), and $1, 178.00 from his second job, ($19,000). What is the amount of Bob's excess SST? a) $1,178.00 b) 0.00 C 784.30 $1,323.70