About: http://webisa.webdatacommons.org/51004275

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	The difference has to do not with the price when sold but the prices at which two different batches of the same product, such as oil, are bought.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com