Answer: Option (E) is correct.
Explanation:
Marginal analysis refers to the analysis in which a person find out if he consumes an additional unit of a commodity then how much he is getting an additional utility from that consumption.
This decision is primarily based on whether an additional unit is consumed or not.
All the options indicates the marginal analysis whether an extra unit should be consumed or not, except deciding which college to attend.
Deciding which college is to be attend is an absolute decision rather than marginal analysis.