Taxes or how $100 becomes $60

a Federal Marginal Tax Rate of 28%, a State Income Tax rate of 7% and the requirement to pay Self-Employment Tax at 15.3% (rounded to 15%).
Before Tax Income: $100
Less Federal Income Tax of 28%: -$28
Less State Income Tax (not in Florida) -$0
Less Self Employment Tax of 15.3% (rounded to 15%): -$15
Equals after-tax or disposable income: $57

Using the example above, a self-employed taxpayer would need to earn $100 to have disposable income of $57.
Similarly, if the taxpayer was an employee and not self-employed, the taxpayer who earns $100 would have $64 in disposable income.
Before Tax Income: $100
Less Federal Income Tax of 28%: -$28
Less State Income Tax (not in Florida) -$0
Less ½ of Social Security from paycheck, (rounded) -8
Equals after-tax or disposable income: $64