If W stands for wages/salaries, P for profit, R for interest and Z for rent…

If W stands for wages/salaries, P for profit, R for interest and Z for rent on land real estate, then national income is?
  • A.
    W -P – R – Z
  • B.
    W + P + Z – R
  • C.
    P – R – Z + W
  • D.
    W + P + R + Z
Correct Answer: Option D
Explanation
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