Answer:
A. National income must equal domestic product.
True.
Step-by-step explanation:
National Income is the total value of goods and services produced in a country during a financial period. It is total income from a country's economic activities.
Domestic product is monetary value of all economic activities of a country during a period.
National Income is sum of Investments, Savings, Government expenditures and net exports. National Income equals the domestic products of a country. The equation is as follows:
C + I + G + (X - IM) = DI + NT.
The statement given is true. Disposable income equals the saving plus consumption. The excess of disposable income which is not consumed is saved. Sum of saving and consumption must equal Disposable income in an economy.