it is in management information system

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Identify a strategic information system from the following. O a. All of these Ob. Enterprise Resource Planning systems Oc Supply Chain Management System od Collaborative Systems Oman air is using a group of applications that empowers their flight attendants to find high valued customers from their passenger list and give them special benefits. When a frequent flier goes to board the flight the staff may give them upgraded facilities to business class and special meals etc. Given this information, which of the following types of information system suits all these descriptions? O a Finance Information system O b. Human Resource Information System Oc. Customer relationship information system Od Accounting Information System