My Question is:

I have two fields - one is Annual Qty. Est. (which is the numbers of
project engines for a particular application), and a field call Engine
Manufacturer . I want to know the Annual Qty. Est. of engines just for
"Honda". How do I write a formula (or any other thing that will get me
these results) that will show me this. I would like this information
to be in the Report Header. Is there any way I can get some help?