How much does this cost to the nearest dollar?

Harmony Audio Basic Compatible with Chevy CK Silverado Rhythm Series 12 - Package Sub and Custom Dual 12 Sub Enclosure
This Package Includes the Following Items 1 x ASC Custom Dual 12 Compatible with Chevy C/K Extended Cab 88-98 Truck Sub Enclosure 1 x ASC Custom Dual 12 Compatible with Chevy C/K Extended Cab 88-98 Truck Sub Enclosure 2 x Harmony Stereo Car Stereo Rhythm Series 600 Watt Single 4 Ohm 12 Sub 2 x Harmony Stereo Car Stereo Rhythm Series 600 Watt Single 4 Ohm 12 Sub ASC Custom Dual 12 Compatible with Chevy C/K Extended Cab 88-98 Truck Sub Enclosure Air Space 0.95 Cubic Feet Air Space 0.95 Cubic Feet Mount

Price is $280.00
Price: $279.95