Restating the author's key points in your own words.
Paraphrasing means to restate something in other words, this fits the former definition more closely than the later. When paraphrasing, you should be restating the main idea in new words.
4. All of the Above. A good summary should have details.
Basically to charge something at a price that people wouldn't pay in their right mind. (Excessive charge).
I think sentence 11..... but I’m not 100% sure