Answer :
The following inferences about Della can be made based on the given excerpt from "The Gift of the Magi" by O. Henry :
1. Della does not have much money to spend on Jim’s gift.
Della is financially poor and this can be made out from the line "Only $1.87 to buy a present for Jim."
2. Della loves her husband, Jim, very much.
Della is a loving person and there is nothing more she loves in this world than her husband Jim. She has been saving for months in order to buy a decent Christmas present for her husband. The line "Something fine and rare and sterling—something just a little bit near to being worthy of the honor of being owned by Jim." shows her love and adoration for her husband. She is ready to go to any length in order to get the best gift for him. She is so devoted to him that she hardly thinks about herself.
3. Della wants to buy Jim a really nice gift.
Della is a selfless woman who wants to get a really nice gift for her husband. This can be made out from the line "Many a happy hour she had spent planning for something nice for him. Something fine and rare and sterling—"