I want to use MDX to show the following, I appreciate any help. I have messed with Desecendants and Closingperiod to no avail.

Simple example:

Name Average
Bob 25%
Jane 30%
Joe 70%
Total 45%

I'd like to show:
Name Average Total
Bob 25% 45%
Jane 30% 45%
Joe 70% 45%
Total 45% 45%