The inmate will have to do 85% of their sentence. That is for good behavior - all the inmate can do is lose that good time for bad behavior.
https://www.inmateaid.com/ask-the-inmate/when-you-are-sentenced-to-prison-for-a-short-time-can-you-get-released-on.amp#answer
Accepted Answer Date Created: July 02,2016