Disposable - album - was created in 1968-09.

Personal Income = Disposable Income + Personal Savings

yes because the disposable income it is necessary to determine total income so when income decrease does disposable income decrease also.

Disposable income is defined to be income that is available for spending and saving after all taxes have been accounted for. Therefore, disposable income is a result of any income in a general sense. One needs to have a source of income such as a job to have more disposable income.

Formulas are: Disposable income = consumption expenditure + savings - support of others; Discretionary income = Gross income - taxes - necessities. Although denotatively wrong, disposable income is commonly used to denote discretionary income.