How much does this cost to the nearest dollar?

Rockwell American 3,500 lb Idler Trailer Axle Running Gear (Idler Axle W/Hubs, Bearings, Lugs & Nuts, Springs, U-Bolt Kit, Hanger kit. (61 Hubface, 46 Spring Center)
Set Comes With (1) 3500 lb Capacity Idler Axle with Hubs, Bearings, Lugs & Nuts (2 Year Warranty) (1) U-Bolt Kit, Rd, 2.375 x5.5 x.5 -20 With U-Bolts, Plates, Washers & Nuts. (1) Hanger Kit, for Single Axle & Double Eye Springs, 3500 lb Capacity. (2) Springs, Double Eye, 1.75 Wide, 1750

Price is $515.00
Price: $515