Answer:
Option (A) is correct.
Explanation:
Opportunity cost refers to the cost that is incurred by selecting some other alternative. It is the benefit that is foregone from the next best alternative.
Therefore, the opportunity of attending college is as follows:
(a) Salary amount that could have been earned from the job.
(b) Interest income from depositing money into savings account
(c) The satisfaction obtained from the business lunches.
(d) Opportunities that were sacrificed for attending college.