How much does this cost to the nearest dollar?

CURT 17499 TruTrack 4P Weight Distribution Hitch with 4x Sway Control, Up to 8K, 2-Inch Shank
While many weight distribution hitches are made to be compatible with a sway control attachment, the CURT TruTrack is an advanced WD system that integrates the sway control function into the design of the hitch. It combines precise weight distributing with active sway control to deliver the smoothest, safest ride possible. This, coupled with the easiest setup in the industry, truly makes the TruTrack unparalleled in its class. Like all WD hitches, the TruTrack 4P uses a pair of spring bars to leverage the trailer tongue weight and spread it across all axles of the vehicle-trailer combination. However, instead of using spring bar chains,

Price is $597.00
Price: $596.95