So many factors are envolved in this that it is hard to begin the answer. I would spend some time discovering the main points and answer them. One that is very

So many factors are envolved in this that it is hard to begin the answer. I would spend some time discovering the main points and answer them. One that is very important: Do you have another opportunity to accept? There is nothing better to get a job than being employed. If you do have a offer, consider if you take; but if you don't, try to get one while you are employed and jump ship when it's a better one; repeat.