marginal product is the correct answer .
What is marginal product ?
This connection is calculated using the marginal product method by dividing the entire change in output by the total change in a certain input. In other words, when the total product curve is plotted with the specific kind of input on one axis and the amount of production on the other, MP is equal to the slope of the curve.
It's crucial to maintain all other inputs identical and just study one input at a time. Each input is segregated in this manner, allowing for adequate testing. Additionally, remember that MP is quantified in physical quantities. The concept of a fraction of an input does not exist.
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