How much does this cost to the nearest dollar?

Noctua NF-A9 5V PWM, Premium Quiet Fan with USB Power Adaptor Cable, 4-Pin, 5V Version (92mm, Brown)
Premium quiet fan, mm, 5V, 4-pin PWM, max. 2000 RPM, max. 22.8 dB(A), h MTTF Award-winning A-series design with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance 5V 4-pin PWM version with polarity protection for 5V applications with PWM speed control USB power adaptor cable allows the fan to run on devices with USB host ports, power banks or USB power supplies such as those used by smartphones Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connection to proprietary

Price is $19.00
Price: $18.95