Depends on the supply and demand curve
A hundred but they'll all be competing to be the one to change the bulb and bring light to the world.
One, but only if the lightbulb really to change.
One but the bulb will have to spend four hours in the waiting room.
Three. One to change it while the other two argue about how old the old one is.
Depends
About 2 bucks an hour depending on what the current minimum wage is.
I don't know. They just keep going on and on about how the last one broke.
Four different answers
