Reserve pay question.

I put in a generic green slip for the entire month of April. Today I am on long call and received a call from the VRU saying there's an inverse assignment worth premium pay. This trip was worth 14 hours total (5 hours of block today) and was a 3 day. My question is if I would have acknowledged/accepted this trip how much would be paid on top of my guarantee?

This was an inverse assignment with premium pay because it was a short call when I am on long call status. However, since this was only a 3 day trip and I have 5 days of available would any of this be above guarantee?

I looked it up in the contract but can't determine the answer. Thanks.