it is in management information system

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When there was cyclone "yaas hit some parts of India, few airports had to close down their operations. The airlines informed their passengers regarding the shutdown of airports using emails and text messages. The system used by the airlines here is O a Human resource information system O b. Inventory management system Oc Accounting information system Od Customer Relationship Management System Hadid furniture is using a "go to meeting" application to conduct their official meetings with different levels of management due to Covid. The company also uses the application for meeting their retail sellers. The type of information system discussed in this case is O a Operating system O b. Application software Oc Process control system Od Enterprise collaboration system