nations of responses for your case study. This too will be illustrated in the lecture and should reflect your investigation in the tutorials. 5. All assumptions must be documented. 6. List of references (Harvard style). This assignment is not intended to be presented as a many pages of writing. We are looking for evidence of research and reasoning. Each group will get 10 minutes to present their work (including 3-minute Q&A session). This assignment intends to get you familiar with C++ programming. You require writing a program to track a Phone Plan System. The solution should have the following features: - Declare 4 structures for the Phone Systems; - Create functions for structures to manipulate objects for testing in the system; - Calculate the Charge for array plans and find the two cheapest plans; - Display a summary report for the two best plans.