Try the attached file. When you open, it should indicate that errors have been detected. Scroll down toward the bottom to see the two math regions highlighted in pink.
Please do not post the same question twice. I just spent the time to fix your file for you only to find that Mark has already done so in a different thread.
Mark Gase, I really appreciate your help and fixing the file. Richard Jackson, sorry for inconvenience I am new here and I thought that I should post my problem individually so that it could be seen by everyone.