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.