I have a question about itself, I got marked brainliest and now all my answers are shown to me without me watching a video. Is this how that works or have I discovered some kind of glitch?

In a recent annual report, apple computer reported the following in one of its disclosure notes: "warranty expense: the company provides currently for the estimated cost for product warranties at the time the related revenue is recognized." this note exemplifies apple's use of: (a) conservatism.(b) matching. (c) realization principle. (d) economic entity.