How much does this cost to the nearest dollar?

PAC Back-up Camera/Navigation Unlock Integration Interface (for Select General Motors Vehicles with Navigation Radios)
The is a Navigation Unlock integration interface that allows the factory navigation features of your 29-bit GM LAN radio or the reverse camera to be used by the passenger at anytime. In addition, by connecting to the existing video-capable OEM radio, the head unit will have the ability to connect an aftermarket Backup Camera. Adds Input for Adding a Back-up Camera Unlocks Navigation Features for Passenger Use Plug-N-Play installation Provides Reverse Camera Turn-on Output Status Text Displayed on Instrument Cluster Weight 8.8 ounces, Dimensions 8.5 x 8.4 x 2 inches; 8.8 Ounces, model number Is Discontinued No, Height (inches) 2

Price is $204.00
Price: $204