An organization's rapidly growing business has hired new sales personnel. Some customers are receiving duplicate sales calls from different sales representatives. What should the organization use to implement better control and reduce customer frustrations and confusion?

a$.$ Use MS Access to create alerts if sales personnel reach out to a customer

b$.$ Use a CRM tool to document customer activity, such as emails, phone calls, and notes.

c$.$ Use a spreadsheet to document emails, phone calls, and notes

d$.$ Use a community board to share notes