How much does this cost to the nearest dollar?

KODIAK 10 Trailer Disc Brake Assy, DAC Bearings & Seals incl. (Comp. 1 Axle Kit)
KODIAK 10 Trailer Disc Brake Assembly, DAC (previously known as S-CAD) Complete One Axle Kit (Complete KIT) Bearings and Seals included. Integral 10 hub and rotor (one piece), 545 wheel bolt pattern. Caliper bracket mounts to 4 bolt brake flange and fits inside 13 and larger wheels. Part Number Rotor Silver Cadmium Plated Caliper Silver Cadmium Plated Mounting Bracket Silver Cadmium PlatedInner Bearing (2) L68149 Outer Bearing (2) (2) NOTE UFP Axles require seal number 168255 and the rest of the trade uses Manufacturer By

Price is $539.00
Price: $538.99