What exactly did they quote you on? If that is for a window regulator and motor that is not reasonable on a 92 Olds.
Use this link to find a good shop near you.
https://repairpal.com/repair-shops
Alex
RepairPal Certified shops can diagnose and repair your 1992 Oldsmobile Cutlass Cruiser. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.