What is enterprise resource planning $($ERP$)?$

A$.$ The analysis and redesign of workflow within and between enterprises

B$.$ A standardized set of activities that accomplish as specific task, such as processing a customer's order

C$.$ Integrates all departments and functions throughout an organization into a single IT system so that employees can make decisions by viewing enterprisewide information on all business operations $q,$

D$.$ Involves managing all aspects of a customer's relationship with an organization to increase customer loyalty and retention and an organization's profitability $q,$

$$ E$.$ None of the other answers is correct