How much does this cost to the nearest dollar?

Pentax HD DA AF 1.4X AW - Adaptador para objetivo fotográfico (Black, smc PENTAX-DA AL IF smc PENTAX-DA AL IF SDM)
Rear Converter for K Mount DSLR Camera HD PENTAX-DA AF REAR CONVERTER 1.4X AW Achieves AF compatible with master lenses and dust-proof and splash-proof construction. 1. Telephoto effect with 1.4x focal length By attaching it between the body and the lens, the effect of magnifying the focal length of the master lens by 1.4 times Small and lightweight design with a thickness of only 0.8 inches (20 mm) to easily expand the shooting area. The master lens also increases the focal length

Price is $376.00
Price: $375.97