That does customer relationship management involve?

a$.$ Managing all aspects of a customer's relationship with an organization to increase customer loyalty and retention and an organization's profitability

b$.$ Integrating all departments and functions throughout an organization into a single IT system so that employees can make decisions by viewing enterprise$-$wide information on all business operations

c$.$ Analyzing and redesigning workflow within and between enterprises

d$.$ Managing information flows between and among activities in a supply chain to maximize total supply chain effectiveness and corporate profitability