disposable income is total income

Disposable income is not the same as total income. Disposable income is the amount of income that an individual or household has left after paying all taxes and other mandatory deductions from their gross income. It is the income that is available for spending, saving or investing. In other words, disposable income is calculated by subtracting all taxes and other mandatory deductions, such as social security contributions or health insurance premiums, from the total income. For example, if an individual earns a gross income of $50,000 in a year and pays $10,000 in taxes and other mandatory deductions, their disposable income would be $40,000 ($50,000 - $10,000). Therefore, the correct answer is option (A) less tax, as disposable income is the total income after all taxes and other mandatory deductions have been subtracted from the gross income.