How much does this cost to the nearest dollar?

Custom Flow R-EL12 Regular Vented Tailgate Chevrolet/GMC Trucks
Custom Flow R-EL12 Designed to match the factory contours of each truck model, CustomFlow Elite Series tailgates enhance vehicle appearance, mileage, and safety. Only CustomFlow Series tailgates use the exclusive factory-installed rotary latches. With its center handle, the CustomFlow Elite Series tailgate is easy to open and close, and these is no trouble with latches and hooks. CustomFlow Elite Series tailgates fit directly onto the original factory hardware of each individual truck make or model. The durable black powdercoat finish may be painted to match your vehicle's factory color. Regular (Straight) design Designed to match the factory countours of the truck model Enhance appearance, mileage, and safety Fit

Price is $521.00
Price: $521.08