How much does this cost to the nearest dollar?

Henry Tropicool Roof Coat, 5 Gallon
Henry 887 Tropi-Cool, 5 Gallon, 100% Silicone White Roof Coating, Premium, Moisture Cure Coating Designed To Reflect The Sun's Heat & UV Rays As Well As Protect Many Types Of Roofs, Suitable For Use In All Climates Especially Extreme Tropical Environments, Which Are Exposed To Some Of The Hottest & Wettest Weather With Intense UV Exposure, Specially Designed To Maintain Maximum Reflectivity Of Heat & UV Rays As It Ages, Creates A Very Aggressive Chemical Bond With The Roof, Which Provides Permanent Ponding Water Resistance, Extreme Durability, & Superior Capabilities Of Sealing & Protection. 100% Silicone White Roof Coating, Premium, Moisture Cure

Price is $509.00
Price: $509