i have this project and it's supposed to be group project, is it possible to make in one file or it's supposed to be in sibrate ones?

Description: Apply what you have learned in OOP, Inheritance, Polymorphism and Files I/O techniques to build the above shown CommunityMember hierarchy. For all classes we need to store the following information: 1. ID: unsigned long int. 2. FirstName: string. 3. LastName: string- 4. Address: string. 5. CellPhone; unsigned long int. For each of the derived classes, we need to store the information shown in the below table