(2) the court obtains a report from the department of correction concerning the convicted person's conduct while imprisoned;
the court may reduce or suspend the sentence and impose a sentence that the court was authorized to impose at the time of sentencing. However, if the convicted person was sentenced under the terms of a plea agreement, the court may not, without the consent of the prosecuting attorney, reduce or suspend the sentence and impose a sentence not authorized by the plea agreement. The court must incorporate its reasons in the record.