deep scratches on chevy truck door.?

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here's what had happened:

i'm a valet driver and yesterday at work i was returning this silver chevy silverado truck to a customer. the entrance that i was taking to get into the lot had 2 brick walls kind of like this

_____________ ________________

(the entrance to the parking lot.)
(the gap is the entrance, the lines are the 2 brick walls.)

i underestimated the turn and i didn't turn wide enough. the passenger door of the truck ended up hitting the edge of the brick wall on the right, which caused long, deep scratches running parallel along the door. so the door was scratched, the handle to get in was scratched, and the bottom steps (because the truck was pretty high) that help you get out of the truck were also scratched.

there are no dents just scratches. how much will this end up costing me to repair?