About: http://webisa.webdatacommons.org/364673183

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	opportunity cost, and of variable costs consisting mainly of fuel, labor, and electricity costs.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com