Answer:B. Enterprise resource planning
Explanation: Enterprise resource planning (ERP) is a term used to describe the various softwares that are used by Organisations to manage their operations real time and online. Enterprise resource planning software are available in different fields or firms based on the nature of operations.
Enterprise resource planning softwares have been likened to be a "back office" or a "virtual office" where the various operations such billing, inventory management,sales, manpower services are documented and followed real time using internet and Computer resources.