How much does this cost to the nearest dollar?

KNA Pickups Portable Piezo Nylon String Guitar Pickup with Volume Control (NG-2)
NG-2 the logical choice for musicians wanting to professionally amplify the natural sound of their nylon stringed guitars without modification. Utilizing the tension of tuned strings, the NG-1 piezo installs safely and securely on the classical or flamenco guitar tie block. NG-1 is a passive system designed to work flawlessly with your favorite acoustic amplifier or colored via your preamp of preference. Detachable 3' lead cable with 1/4'' female to 1/8 male jack included. Delivers the natural sound of your nylon-string guitar Lightweight, wood-encased sensor Built-in onboard volume control knob for easy onstage or in the studio output signal adjustments Easy installation without modification to your instrument

Price is $99.00
Price: $99