Answer:
a. sell the ticket because the marginal benefit exceeds the marginal cost.
Step-by-step explanation:
Marginal cost is the cost incurred for an additional unit and Marginal benefit is the amount f benefit received from an additional unit. Net marginal benefit is calculated by deducting marginal cost from marginal benefit.
The company should sell the seats when there s net marginal benefit. In this question the data is given as follow
Marginal cost of each seat = $200
Marginal benefit of each seat = $300
As the net marginal benefit is $100 ($300-$200), so they should sell the tickets.