​Marginal productivity is

A) ​The total output associated with total inputs
B) The total output associated with extra inputs
C) The extra output associated with total inputs
D) ​The extra output associated with extra inputs

Marginal Productivity

Marginal productivity is the additional output that is produced by using one more unit of a certain input, assuming that all other inputs remain constant.

Total Output

The complete quantity of goods or services produced by a company, sector, or economy within a given period.

Extra Inputs

Additional resources or factors of production, such as labor or materials, that are used to increase output or efficiency.