The difference in the amount of tax has a big effect on post tax money. If it's 45% (city + state + federal + social security etc.) you'd have to make x * (1 -

The difference in the amount of tax has a big effect on post tax money. If it's 45% (city + state + federal + social security etc.) you'd have to make x * (1 - 45%) = $80K * (1 - 3%), solving for x gives $141K which is a big difference.