Using a Boolean Variable To Show Sales Detail and Recap   

I'm trying to create a sales report that can
(A) Detail - customer info & units/sales amount by product.
(B) Recap - only units/sales amount by product
(C) Both - Detail and Recap.

I have two reports setup called Detail & Recap; I do not have a report page for Both.

My prompt page contains a radio button group with three choices - Detail, Recap and Both
I have Boolean variables for Detail and Recap now but here is where I'm kinda lost on the best method for creating a Recap page.

1. Can I create a variable that can display both Detail and Recap without creating a third report?
2. Do I need to create a third report that contains the Detail and Recap and call it Both? If so, do how do I create a page break before the Recap portion appears?

I hope thats not confusing and thanks for the help.