Correct Answer: The distribution of factor payment .

Solution : The Correct Answer is The distribution of factor payment .

The systematic attempt to explain how the nation's income is distributed among the owners of the labor, capital, and land that go into production is known as distribution theory in economics. Factor prices like rent, interest, and profit are determined according to the theory of factor pricing. This theory aims to explain the distribution of the entire national income among different economic sectors, such as services, industry, and agriculture.