In: Economics
Marginal analysis in this case is the additional benefits one gets if one makes a choice of joining basketball compared to the additional costs incurred when the person pursues basketball.
a. Gives the perfect reasoning that Ana will benefit if he takes up basketball, but there is also a cost involved that he might get injured.
b. This is just a statement and no benefits or costs are mentioned.
c. Only the cost which he will lose is mentioned and no benefits are mentioned.
d. This is also just a statement, no costs are mentioned only benefit and comparison.
e. This mentions just the cost.
Thus A is the answer as both benefit and cost is analysed.