Windows will not go up or down on 2003 Ford Explorer

I took my car to the shop for the windows not moving. I was told the master window switch need to be replaced. I was quoted $304. Is this a fair quote?

Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
1 answer
The list price for the factory master switch is $140 and it takes about 1/2 hour ( $45 ) to install, so this sounds high