39. A married taxpayer, age 57, has the following receipts: Salary $50,000 Dividends from stock of domestic 1,455 corporation Interest on state toll road bonds 750 Gambling winnings Rents 5,600 During the tax year, the taxpayer pays $2,200 in taxes on his rental property and $2.650 for its operation and maintenance. He had gambling losses of $65. He made no charitable contributions. Calculate the taxpayer's gross income, adjusted gross income, and taxable income