How much does this cost to the nearest dollar?

Kramer RK-3T - Rack Mounting Kit - 1U Category Rack Mounting Kits
Toshiba Usb Optical Mouse USB OPTICAL MOUSE U55 BLACK Toshiba Usb Optical Mouse U55 Black Sold Individually Product Type Mounting Adapter Brand Name Kramer Manufacturer Kramer Electronics LTD Product Name Rack Adapter for TOOLS Brand Kramer, Series RK-3T, model number RK-3T, Weight 1.05 pounds, Dimensions 19.8 x 6.8 x 2.4 inches, Dimensions LxWxH 19.8 x 6.8 x 2.4 inches, Color Black, Manufacturer Kramer, Is Discontinued No, Available August 25, 2009, Dimensions LxWxH 19.8 x 

Price is $
Price: $90.99