How much does this cost to the nearest dollar?

Dometic WH-6GA RV Gas and Electric Water Heater - 6 Gallon Silver Burner w/Quick Heating -10 btu Burner System for Indoor Installation
The Dometic Electric Ignition Gas Burner Water Heater is designed with a capacity. Robust burner design produces hot water faster and longer so you can enjoy a nice comfortable shower every time while away on the road! Electronic ignition gas burner system Anode rod not required – less maintenance Door sold separately Energy Source LP gas Brand Dometic, Capacity 6 Gallons, Power Source Corded Electric, Dimensions LxWxH 12.75 x 12.75 x 19 inches, Color Steel, Voltage 12 Volts, Material Aluminum, Depth 20 1/2, Style Indoor Installation

Price is $549.00
Price: $549.43