How much does this cost to the nearest dollar?

RS-35A Astron Original Power Supply - 35A Peak
25 Amps continuous, 35 Amps surge. Input AC, Output 13.8V DC, Internally adjustable from 11-15V DC. Solid-state electronically regulated with fold-back current limiting and crowbar overvoltage protection. Heavy-duty heat sink. Three-wire AC power cord and chassis mounted fuse. 35 Amp Peak, 25 Amp Continuous Input AC, Output 13.8V DC Manufacturer Astron, Brand Astron, Model astron, Weight 24.9 pounds, Dimensions 7 x 13 x 13 inches, model number Is Discontinued No, Manufacturer Part National Stock Rank Computer Power Supplies 2132, Available March 20, 2009

Price is $310.00
Price: $310