ECONOMICS

Detailed explanation-1: -The correct answer is marginal product. The marginal product of an input is defined as the extra output that results from adding one unit of the input to the existing combination of productive factors.

Detailed explanation-2: -The marginal product(MP) refers to the total output quantity generated by each extra input unit utilized in production. It is calculated by dividing the total product change by the change in the inputs used. The rise in the marginal returns means every additional variable input is more effective than the last input.

Detailed explanation-3: -The marginal product is the change in the total production when a variable input is increased by one unit.

Detailed explanation-4: -The marginal product of any input in the production process is the increase in the quantity of output produced from one additional unit of that input.