Answer:
equity theory
Explanation:
Equity theory -
The theory was first given by J. Stacy Adams in the year 1960s.
It refers to the distribution of the resources are fair between the two or more partners , is referred to as equity theory .
It helps to compare the ratio of the cost and the benefits received by each person to get the equity .
Hence , from the given scenario of the question ,
The correct answer is equity theory .