You are required to design an application that organizes people residing (us) in buildings. The application has a number of buildings in each building there are apartments (G), and each apartment has a family residing in it. Assume that as families are added to the system info of a family include the family name and momborn' namen. If it is required that once a family is added to the system, its info must not be modified whatsoever, then the class you will use to represent families must be designed to be...? Select one: O a. Abstract b. Immutable c. Encapsulated d. Private O e Final Clear my choice Next page