How much does this cost to the nearest dollar?

SuperSprings | SumoSprings Rear for Ford Blue
Sold as a pair left and right Maintenance-free Enhances load carrying ability 2600 lb. Capacity at 50% Compression Reduces and stabilizes sway Fit type Vehicle Specific Manufacturer Super Springs, Brand SuperSprings, Model Weight 14 pounds, Dimensions 18 x 12 x 11 inches, model number Exterior Painted, Manufacturer Part Special Features Improves overall driver control and ride comfort, Two-piece unit attached on top and bottom using separate male and female pieces allows unlimited travel, Made from patented micro-cellular urethane, Compress up to 80% of original height with full memory rebound, progressive spring rate with superior damping properties, Rank Automotive Automotive Replacement Suspension Coil Springs 1634, Available November 23, 

Price is $590.00
Price: $589.99