TxFountain

Base price for 08 F450 4x4 Crew Cab Dually long bed is $50355
add King Ranch $3640
add auto, traction tires, Navigation, top of the line stereo touch screen, off road pkg, sat radio w 6 months svc, supplemental heater, engine block heater, power moonroof, camper pkg, upfitter switches, HD alternator, power slide rear window, memory group, adjustable brake and gas pedal, heated seats, shift on the fly, 4.30 limited slip rear axle. also has tailgate step built into the rear gate.
MSRP is $62455

I added Line-X, tinted windows and Husky floor liners to keep carpets clean in winter.

This info came from the MSRP Sticker in front of me.

Bottomfeeder

I just looked at my quote: $50,355.00 like you said, which is base for a Lariat,, the options on yours minus the aftermarket items are also the same, so your MSRP makes sense,didnt know the King Ranch was so much $$$