" wrote:


I have the following information for total costs, total revenue,# of orders,
#of units as well as the information as what constitutes the total costs.
I would like to know how would I go determining if I changed total costs by
varying one the the costs that affects it for example training costs, how
that would affect # of orders. I tried regression analysis using Excel but
the output did not make any sense

It might help if you included some figures

Peter