Solving a Ranking Task: F, A, C, E, B, D

[synx]

Im having trouble figuring out how to solve this ranking task, I've tried nearly everything and I'm not getting the right answers.

http://wps.prenhall.com/wps/media/objects/223/229290/rt/pdf/work068.pdf

.. the answer are F, A, C, E, B, D where A and C are equal.

 

[synx]

...anyone?