How much does this cost to the nearest dollar?

MEAN WELL 40 Amp DC Uninterruptable Power Supply
40 amp DC uninterruptable power supply battery controller for DIN rail UPS system specifications size (L x W x H) (inches) 4.9 x 2.2 x 4.9 DC input 24-29v 40a battery input 21-29v 0-40a, charge current 2a suitable for 24V system up to 40a parallel connection to DC bus built-in battery Test function battery polarity protection 2-year warranty certifications CE. Package Dimensions 4.9 L x 4.9 H x 2.2 W (inches) Package Weight 1.22 pounds Country of Origin China Part number Brand MEAN WELL, Dimensions LxWx

Price is $57.00
Price: $56.61