A man earned wages of $31,000, received $2300 in interest from a savings account, and contributed $3000 to a tax-deferred retirement plan. He was entitled to a personal exemption of $4050 and a standard deduction of $6300. The interest on his home mortgage was $8200, he contributed $2100 to charity, and he paid $1375 in state taxes. Find his gross income, adjusted gross income, and taxable income. Base the taxable income on the greater of a standard deduction or an itemized deduction. His gross income is $ 33,300. (Simplify your answer.) His adjusted gross income is $ 30,300. (Simplify your answer.) His taxable income is $ . (Simplify your answer.)