Consider the following statements regarding savings in different sectors of an economy1. Savings of private corporate sector constitute undistributed profits2. Savings of private corporate sector constitute excess of income over expenditure3. Savings of government sector constitute excess of revenue receipts over revenue expenditure4. Savings of government sector constitute excess of total revenue over total expenditure Of the above statements

National income accounting is a government bookkeeping system that measures a country's economic activity - offering insight into how an economy is performing. Such a system will include total revenues by domestic corporations, wages paid, and sales and income tax data for companies.