Why does marian go to the nursing home in "a visit of charity"?

In "A Visit of Charity" by Eudora Welty, Marian goes to the nursing home to gain points for her charity work with the Campfire Girl's mission. She had no idea about what kind of people she would find in there and that she would want to leave the place soon after.

Because she wants to earn points from the campfire girls

what do you mean.

do we have to write a essay?

answer: inference

explanation:

an inference can be understood as a conclusion to which a person is able to get based on reasoning. it is the same as a deduction, a guess, an assumption.   in the sentence presented, the conjunction "but" gives the readers an idea of contrast, and, therefore, allows them to induce that despite the opponent's characteristics, andrea had something different that made her win.