MRCP 59(a) provides that the trial court may grant a new trial ” … in an action tried without a jury, for any of the reasons for which rehearings have heretofore been granted in suits in equity in the courts of Mississippi.” In non-jury cases ” … the court may open the judgment if one has been entered, take additional testimony, amend findings of fact and conclusions of law or make new findings of fact and conclusions, and direct entry of a new judgment.”