Got some estimates on getting some Sliders welded on. Ranged from 4 hours at $87per hour for $350

to 1 hour at $85 per hour for total of $85

hmmm....i don't know which one to choose.
Anyway, does anyone have any experience in this area? like how long did it take your shop to weld on the Demello weld on sliders? or better yet, if your a certified welder or work in a shop, how long would you estimate the job at?
I'm thinking that definitely it shoudn't take 4 hours (and this quote was from a 4x4 shop called High Country 4x4) and that an hour may be a bit low?
anyway if anyone is curious the shop I got the $85 quote from is called ORI (offroad innovations)