// Provide a default path to dwr.engine
if (dwr == null) var dwr = {};
if (dwr.engine == null) dwr.engine = {};
if (DWREngine == null) var DWREngine = dwr.engine;

if (PreferentialPrice == null) var PreferentialPrice = {};
PreferentialPrice._path = '/dwr';
PreferentialPrice.getPreferentialPrice = function(p0, p1, callback) {
  dwr.engine._execute(PreferentialPrice._path, 'PreferentialPrice', 'getPreferentialPrice', p0, p1, callback);
}