How much does this cost to the nearest dollar?

Upgraded Replacement for Honeywell Furnace Smart Gas Valve
Overall Dimension 4.1 Inch Length x 4.9 Inch Height; Ignition Type Intermittent Hot Surface Pilot; Flame Failure Response Time 2 Second at 5 Microamp; Ignition Trial Time 7 Second; Prepurge Time 15 Second; Pressure Tapping 1/8 Inch Threaded; Pressure Regulator Set Point 3.5 Inch WC; Mounting 0 to 90 Degree Vertical Installation This is a Brand New Upgraded Honeywell Furnace Smart Gas Valve. Operates on 24 volts. This valve comes with instructions and all the hardware you may or may not need to install it! Brand Honeywell, Dimensions LxWxH 8 x 6 x 10

Price is $308.00
Price: $307.95