Weekly salary =

Deductions are as follows:
FICA = 7.65% , amount becomes

Federal withholding =

State withholding =

Hence, total deductions are =

Daily transportation and lunch costs
per day
Weekly expense for food and transportation =

Cost of black slacks = $19.95
So, total expenses including deductions are =

Now, the weekly discretionary income is =
= $210.685 ≈ $210.69
Hence, the answer is $210.69.