Which of the following is an example of an action that is part of making a rational choice

Doing a cost benefit analysis is a part of making a rational choice.

Explanation:

Cost benefit analysis, some of the time likewise called benefit cost analysis or advantage costs investigation, is an efficient way to deal with assessing the qualities and shortcomings of choices used to decide choices which give the best way to deal with accomplishing benefits while safeguarding reserve funds.

A cost-benefit analysis is the simplest way of comparing your options to determine whether to go ahead with a project. The idea is to weigh up project costs against benefits, and identify the action that will give you the most bang for your buck.

yes the correct answer was

b.the increased supply will create a surplus.