Option 2: Personal Income -> This formula represents the conversion from National Income to Personal Income. Personal Income is the actual income received by households before paying personal taxes. Starting from National Income, we subtract: (1) Undistributed profits (retained earnings not distributed to households), (2) Net interest payments made by households (outflow from households), and (3) Corporate tax (paid by corporations, not received by households). We then add Transfer payments (benefits, pensions, subsidies received by households from government and firms). This gives us the total income actually available to individuals/households, which is Personal Income. Personal Disposable Income would require one more step: subtracting personal/direct taxes from Personal Income. -> correct