What is the maximum child support payment that can be withheld from his wages?

An employee earns $1,000 weekly. his deductions are $174 for federal income tax, $62 for social security tax, and $14.50 for medicare tax. He is not supporting another family and has never been in arrears in his child support payments.

What is the maximum child support payment that can be withheld from his wages?
A . $600
B . $500
C . $449.70
D . $500.18

Answer: C