Selling 2004 Cadillac Deville four-door

Selling 2004 Cadillac Deville four-door Purchase last year was a great car to drive and it is have an issues with transmission change the transmission pan gasket filters to learn from the old gasket. It’s leaking in the very same area . Motor runs really well transmission still goes into forward and reverse. selling for a friend she put new tires wheel alignment radiator dual rad fans and front bearing hubs and brakes. fully loaded Power seats. I believe there is seat warmers, power steering power brakes air-conditioning works. Windows are good. Engine is a 4.6 L Northstar V8 friend she has all the receipts from six months ago was last year she asked me to post for $2700.00 ). Firm , and she has all the receipts to this day of what she put into it Thank you very much.