About: http://webisa.webdatacommons.org/148697156

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Well, for the first widget, the consumer was willing to pay $198, but they paid $110 including the tax, so their surplus for that first widget is of $88.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com