How much does this cost to the nearest dollar?

Fully Assembled 3-Step Steel Industrial Rolling Ladder with Handrails, EGA 16 W Perforated Tread, 30 Top Step Height, 450lbs Capacity, OSHA Compliant Made in USA
**THIS PRODUCT REQUIRES A COMMERCIAL SHIPPING DOCK FOR DELIVERY** Ships assembled 30 Top Step Height, 16 Wide Steps, 9.5 D Top Step, 450 lbs. Capacity Perforated Anti-Slip Tread. OSHA Compliant Made in Wisconsin and North Carolina Material Alloy Steel, Brand EGA Products, Dimensions 21\ W x 54\ H, Color Gray, Special Feature Wheels, Weight 41 pounds, Load Capacity 450 pound, Maximum Height 30 Inches, Manufacturer EGA Products, model number Rank Tools

Price is $539.00

Price: $539