Alex earns $18 per hour at his job as a store clerk and is paid monthly. He worked 140 hours this month. His most recent paycheck includes the following deductions:
FICA $180.00
Federal income tax $215.00
State income tax $62.00
Health insurance $72.89
Retirement savings $50.00
Considering his deductions, what percentage of his gross pay did Alex take home?
A. 76.99%
B. 78.13%
C. 80.89%
D. 81.15%