What does this cost to the nearest dollar?

Title: 12V Power Supply Adapter for Behringer FCV100 Footswitch  
Category: Electronics  
Brand: MyVolts  
Description: A 12V, 2‑pin power adapter that replaces the original supply for the Behringer FCV100 footswitch.  
Details: Features over‑voltage, over‑current, and short‑circuit protection, and is compatible with U.S. wall sockets.

Price is $