Q:  What is the uncertainty in the mass of the primary,
            expressed as a percentage?


                0.012 solar masses
               --------------------  =  1.2 percent
                0.981 solar masses


  Q:  What is the uncertainty in the radius of the primary,
            expressed as a percentage?


                0.016 solar radii 
              ----------------------  =  1.5 percent
                1.061 solar radii



       That is some high-quality work!