How much does this cost to the nearest dollar?

Ikan BMCC Power Supply System with 15mm Rod Adapter (Black)
Tilta BMCC Power Supply System (15mm Rod Adaptor)Tilta Supports the Black Magic Cinema Camera 12V Coax, 14.8V P-Tap, 8V Coax, 5V Coax Supports V-Mount Batteries Dimensions 7 x 3.75 x 9 inches, Weight 1 pounds, model number Is Discontinued No, Available November 26, 2013, Manufacturer Ikan, Brand Ikan, Connector Type Barrel Connector, Compatible Devices Cameras, Compatible Phone Models Sony, Special Feature Adjustable, Color Black, Input Voltage 12 Volts, Mounting Type Wall Mount, Wattage 24 watts, Power Source Corded Electric

Price is $280.00
Price: $279.99