Personal Disposable Income is obtained by subtracting from personal income: MCQ with Answer and Explanation

Explanation:
The stage of diminishing returns starts when the marginal product of the variable factor begins to decline, although it may still be positive.

Explanation:
Interest on public debt is a transfer payment and is not included in national income as it does not correspond to any current production of goods or services.

Explanation:
UPI enables instant interbank transfers through virtual payment addresses using mobile devices.