Um, based on what you have posted so far, they are prepared to fire you or cause, and if so, would preclude you from getting unemployment.
They can to pay out your vacation nor salary earned to date.
Between the month salary owned and the vacation, they owe you close to 2 months compensation. Are they giving you 5 months on top of the vacation and earnings to date?
And, do they have a cause for firing you? Performance is not specific enough. If they have cause, take the offer and move on...
Your wrong here. If your fired, especially in a right to work state, you can almost always collect unemployment. If you quit you can’t...