Answer
a) The opportunity cost of taking the job is the wage from another job.
b) Students might be taking these jobs to gain experience in the industry (or might want to work for the company after college).
c) The summer interns are paid more later in life.
Work Step by Step
b) Another possibility is that the student has a low opportunity cost.
c) The intern gained industry experience (an increase in technology), compared to the student who took a summer job (no increase in technology). Since the intern will have experience (the increase in technology), they will be paid more later in life.