While there's no universally correct answer, as tinfoilhat suggested, my speakers are set up similarly and I'd say they're toed in 5 degrees at most.

Toe in is one of the easiest things to tweak, so experiment! I'd even try toe-out, just for fun.

Everybody sing with me now:
You put your left toe in
You put your left toe out
You put your left toe in and you tweak it all about...