What does this cost to the nearest dollar?

Title: 20" Keyboard Slide, Black  
Category: Hardware  
Brand: Rockler  
Description: A variable-height, ball-bearing keyboard slide that supports up to 75 pounds and offers secure hold-in and friction latch features.  
Details: Features reversible mounting brackets, lever release, and a black zinc chromate finish, with height adjustments from 2‑11/32" to 3‑11/16" in 7/32" increments for versatile keyboard applications.

Price is $