Pickup Location (airport): San Francisco City Center
Dropoff Location (airport): LAX
Pickup Date and Time: July 2, 2013, 12 pm
Return Date and Time: July 6, 2013 7 pm
Vehicle Size Preference: Cheapest one
Memberships : Aeroplan, American Express Gold
Age : 23
Best Price found: Avis $451.35, HERTZ $435

Both AVIS and Hertz don't mention drop fees, but I assume that since the locations were entered during the quote, the drop fees are included. I also tried using Autoslash, but it could not help me find any results.