How much does this cost to the nearest dollar?

Viking Horns Loud 162 Decibels 4 Trumpet Train Air Horn Lit
Brand New, Hi-Powered 4 Trumpet Train Air Horn And Compressor/Tank kit. This Horn system produces a loud Sound of 162 decibels. Trumpets are chrome plated metal. Will replace your original horn, or can be installed as an auxiliary horn. Comes with a 3 gallon air tank, and 12 volt 200 PSI heavy duty maintenance free compressor. Includes Mounting Hardware, Brass Fittings, Air Hose, Electric Air Valve, 240 PSI Air gauge, PSI Pressure Switch, installation instructions. Ideal for vehicles such as Truck, RV, SUV, Boat, Pick-Up, and many more applications. Air horn overall dimensions 15-1/2 L x 

Price is $408.00

Price: $408.26