In this task, you're given a four sentences of story written in natural language. Your job is to complete end part of the story by predicting appropriate last sentence which is coherent with the given sentences.

Sentence1: When Charles graduated college, he was in debt. Sentence2: He owed thirty thousand dollars in student loans. Sentence3: He deferred his payments at every opportunity. Sentence4: One day he took a call from a telemarketer saying they could help him.
Charles' monthly payments were reduced to fifty dollars.