किसे व्यापक रूप से आधुनिक राष्ट्रीय आय लेखांकन का जन्मदाता माना जाता है?

Given below are two statements, one labeled as Assertion (A) and the other as Reason (R): Assertion (A): Rise in aggregate demand and aggregate supply of goods and services raises national income. Reason (R): National income represents the value of aggregate production in monetary terms. In the light of the above statements, choose the correct option:

Gross Domestic Product (GDP) is best defined as the total value of: