The study of national income accounts is of great importance because it
1. reveals the changes in the size and composition of the national product.
2. provides us with information about the distribution of national income in the society among various groups.
3. reveals the manner in which national expenditure is divided between consumption and investment.

A. Both 1 and 2 are correct

B. Both 2 and 3 are correct

C. Both 1 and 3 are correct

D. All of the above

Answer: Option D