I still don't get it. Can someone give me an example? Thanks

Question 16 (INVY-0039B) When should an anticipated loss on a long-term contract be recognized under the percentage-of-completion method and the completed-contract method, respectively? Completed-contract Percentage-of- completion Over life of project Contract complete Your Answer Immediately Contract complete Over life of project Immediately Correct Immediately Immediately This Answer is Correct An anticipated loss on a long-term contract should be recognized immediately under both the percentage-of-completion and the completed-contract methods