Scm, crm, and erp | Computer Science homework help

Think about a company you have worked for in the past as you respond to the following in a minimum of 175 words: 

What is the benefit of integrating SCM, CRM, and ERP in an organization? How will it help?
Why would an organization need to integrate an ERP?
What advice would you provide a company that is trying to decide if implementing an ERP is right for their organization?