Answer:
a tragic hero must possess a fate or flaw that he cannot overcome
He had eighteen thousand francs inherited from his father. He would have to borrow eighteen thousand more, but he had committed himself to paying "ruinous" interest on a large part of the borrowed money--possibly something like twenty percent per annum. So by the time the Loisels finally got the necklace paid off,
Negative, I suppose. Didn't see strong critique herself?