Lab Work Assignment 3 - Object Oriented Programming & User Interfaces- ITSW4103 In this assignment, you have to answer the following questions Question 1 Write a program to implement/illustrate observer pattern using C. Note: the program idea should not be that same as the given code in lab 9. Question 2 Consider the following UML class diagram which represents factory pattem for balls Write the required C# code to implement all classes in the above class diagram. In the main method of the class BallFactory Demo write the code to create and display information of the three types of balls (Basketball, Handball, and Football) Hint: displayInfo() method print out a message containing the type of ball such as "This is a basketball object". Guidelines: The assignment submission date: 7/1/2021. This is individual assignment. Any kind or plagiarism is strictly prohibited. . You have to put the code and the output screenshots in a word file. You also have to submit visual studio source code. Place all these files in one folder, compress the folder and submit to Blackboard. Lab Work Assignment 3 - Object Oriented Programming & User Interfaces- ITSW4103 In this assignment, you have to answer the following questions Question 1 Write a program to implement/illustrate observer pattern using C. Note: the program idea should not be that same as the given code in lab 9. Question 2 Consider the following UML class diagram which represents factory pattem for balls Write the required C# code to implement all classes in the above class diagram. In the main method of the class BallFactory Demo write the code to create and display information of the three types of balls (Basketball, Handball, and Football) Hint: displayInfo() method print out a message containing the type of ball such as "This is a basketball object". Guidelines: The assignment submission date: 7/1/2021. This is individual assignment. Any kind or plagiarism is strictly prohibited. . You have to put the code and the output screenshots in a word file. You also have to submit visual studio source code. Place all these files in one folder, compress the folder and submit to Blackboard