How much does this cost to the nearest dollar?

VIVO Quick Attach VESA Adapter Designed for HP Models 27er, 27es, 27ea, 25er, 25es, 24ea, 23er, 23es, 22er, 22es, 22f, 23f, 24f, 25f, and 27f with Single Monitor Desk Mount for Screens up to 22 lbs
VIVO Quick Adapter Solutions - Please be sure and check the model of your monitor before ordering!! This bracket is designed to fit only the following HP Monitor models 27er, 27es, 27ea, 25er, 25es, 24ea, 23er, 23es, 22er, 22es, 22f, 

Price is $52.00

Price: $51.99