Answer:
love and sacrifice for others is the highest virtue.
Step-by-step explanation:
Irony is used to show that genuine love can be founded on pleasure. That is, genuine love can be conquered when one person begins to please another with gifts. In this story, Della gets a lot of gifts from Jim, he presents her to show that he loves her. Likewise, Della often presents Jim to show that she loves him.
Thus the author shows that love and sacrifice for others is the greatest virtue.