What is the climax for The Life You Save May Be your own?

The climax of "The Life You Save May Be Your Own" occurs when Mr. Shiftlet marries Lucynell, the deaf and mute daughter of Mrs. Crater, in order to get her car. This moment represents the culmination of Mr. Shiftlet's manipulation and deceit, leading to a tragic outcome for Lucynell. It reveals the selfish and morally corrupt nature of Mr. Shiftlet's character.