excluding drivers salaries & other selected items
So the teams will spin off various departments and make them "self funding". Merc can easily spin off the engine company. Williams have a whole variety of different companies they could use for F1 work to avoid the cap (assuming they can get any sponsorship). Red Bull have an Advanced Technologies division which they can pretend is a separate entity.
Brawn: So Mr Horner, we are going through your budget declaration. The chassis you use, very cheap aren't they?
Horner: Err, yeah, no. Well, the bloke who runs it is a mate so he did them at cost.
Brawn: $1 per chassis?
Horner: Err, yeah, no. For sure, they had some spare carbon fibre left over from another job so knocked them up for us on the side.
Brawn: And the Honda engines, $10?
Horner: Yeah, no, for sure. Oh, they were on buy one, get one free so I should realy have put them down as $5 a go. Sorry 'bout that.