What is a cost of attending college that is not an opportunity cost?

Larry was accepted at three different graduate schools, and must choose one. Elite U costs $50,000 per year and did not offer Larry any financial aid. Larry values attending Elite U at $60,000 per year. State College costs $30,000 per year, and offered...

If they are asking describe an opportunity cost for example how would you write it based off this: Attend college instead of taking a job. The opportunity of attending college is not making money. Would that be the right way to write it?

If your tuition is 5,000 this semester, your books cost 600, you can only work 20 rather than 40 hours per week dduring the 15 weeks you are taking classes and you make $15 per hour, and your room and board is $3000 this semester, then the opportunity...

A student, has just been accepted to college. The cost of a year's tuition is $26,000, which does not include room and board. If the student decides not to attend college but work instead, he can take a job that pays $19,000 per year. What is the opportunity...