How much does this cost to the nearest dollar?

FOGATTI Propane Gas Tankless Water Heater, Indoor 5.1 GPM, BTU Instant Hot Water Heater, InstaGas Classic 120 Series
Smaller size and better performance It is only 1/4 the size of a 50 gallon tank water heater, yet it produces approximately 5.1 GPM of hot water through BTU for both bathroom and kitchen hot water demand. The highly integrated components also provide greater safety from water pressure surges without the need to install an expansion tank. Fast and endless supply of hot water The heat exchanger quickly heats the water to a maximum of 140℉ in a short time, and the hot water is quickly piped through to the shower and tap. No need to wait for the water temperature to heat up

Price is $549.00

Price: $549