y State Tax. After taxes, … living is decent, and he does not have to pay State Tax. After taxes, his monthly earnings come to about $2820.The Budget Breakdown of a 25-Year-Old Who Makes $40,000 a Year and Lives Realistically3.8K43Tab ParkerMegan CharlesAug 23, 2020·1 min readHe must not have any benefits because the math on that does not sound right to me.