Community college students can receive financial aid.
All other options are not true the term financial aid initially derived by the community colleges in order to provide funding to the students who cannot afford to study.
An opportunity cost is defined as the loss of a potential gain from going with another alternative. The opportunity costs in this situation are everything that Harry gave up, to see his parents. Although he gained the dinner with his parents that ha hadn't seen in awhile, he gave up a lot of other options on how he spent his weekend.
A savings account makes a better investment because the person receives more interest from the bank than a checking account.