How much does this cost to the nearest dollar?

MAZDA Carburetor, 1970 CC
Every carburetor is assembled by hand using a master rebuilding kit. All other components are cleaned, tested or rebuilt to meet O.E.M specifications. Base plates are rebushed to remove excess wear from around the throttle shaft to stop certain vacuum leaks. All bolts and linkage parts are zinc plated, and the casings are tumbled to a chrome like finish. Completely remanufactured New base gasket included Rebuilt By National Carburetors (Since 1954) 6 Month Warranty with proof of purchase Manufacturer FOREIGN CARBURETOR, Brand Foreign Carburetor, Exterior Chrome,Zinc, Manufacturer Part Rank Automotive Automotive Replacement Carburetors 3396, Automotive Replacement Emission & Exhaust Products 30705, Available October 

Price is $400.00

Price: $399.99