What is diminishing return law???

Numerous different factors are presumed constant by the law. An additional description is given below.

Explanation:

In psychology, a definition that unless certain input factor becomes continued to increase whereas some considerations (hardware as well as a conference room) are kept constant, the outcome per unit including its dependent variable will inevitably decrease.This law specifically states that such an increased amount of some kind of single manufacturer component would result in a decrease in gross profit efficiency.

The correct answer for this question would be letter choice a) simulating the speech conditions or the first option.