How much does this cost to the nearest dollar?

Stag RV Trailer Camper Electrical Main Board Assembly 55A
Replaces the lower power converter section of any WFCO 8900 Series converter. Installs easily with only four screws and five wires, so you'll be up and running again quickly. All WFCO converters including main board assemblies are provided with three stage electronic switch mode design. Output absorption 13.6V DC range (includes charging and load); bulk 14.4V DC range; float 13.2V DC range. Replaces The Lower Power Converter Section On Converter Easy Installation International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions Manufacturer Stag, Brand Stag, Weight 4.5

Price is $289.00
Price: $288.89