How much does this cost to the nearest dollar?

NEMA L6-30P to 6-20R Power Cord Adapter - 1 Foot, 12/3 SJT - Iron Box #
1 Foot NEMA L6-30P to NEMA 6-20R power cord adapter with heavy duty 12/3 SJT jacket. Rated for 20 Amps, 250V. NEMA L6-30P Plug to C13 Connector 1 Foot Length Rated Heavy Duty 12/3 AWG Weight 12.8 ounces, model number Rank Electronics Audio & Video Power Cables 8771, Is Discontinued No, Available July 18, 2013, Manufacturer Iron Box, Brand Iron Box, Connector Gender Male-to-Female, Voltage 250 Volts, Input Current 20 Amps

Price is $57.00

Price: $56.91