Answer:
Correct option is (d)
Step-by-step explanation:
Marginal analysis is a decision making tool used by managers to identify if an additional effort on an activity or incurring additional cost would be beneficial or yield more profits.
In other words, individuals decide on the basis of marginal analysis whether to work more or a activity or not based on the outcome. If the outcome is profitable, then the individual would choose to work harder and vice versa.