I have identified the closet in our house that I would like to install media and networking gear in. I would like to have a 20 amp circuit installed to support everything in the closet. Above the closet is easily accessible via the attic space and the run to the breaker out in the garage is about 80 ft (I've run ethernet and coax cables this distance already). How much should I expect to pay to have a certified electrician install this new circuit?

$200-$400 depending on location and accessibility