On honor rolls.
or
Two… one to tell the engineer to do it, the other to say "I don't know, what do you think?"
or
Because it goes good with chips.
or
Five. Four to decide which way the bulb ought to turn, and . . .
or
None. They just let Marketing explain that "Dead Bulb" is a feature.
or
Weeeeeeeeeeeeeeeeeeeeeeeeeee
or