Topics 13.1 Introduction o 13.2 Relationships Among Objects in an Inheritance Hierarch 13.3 Type Fields and switch Statements 13. 4 Abstract Classes and pure virtual functions o 13.5 Case Study: Payroll System Using Polymorphism 0 2018, SEU. All rights reserved. 8© 2009, SEU. All rights reserved. © 2018, SEU. All rights reserved. 8 Topics 13.1 Introduction 13.2 Relationships Among Objects in an Inheritance Hierarchy 13.3 Type Fields and switch Statements 13.4 Abstract Classes and Pure virtual Functions 13.5 Case Study: Payroll System Using Polymorphism