Question 2(Marks: 50) The system to be developed for Williams and Son needs to produce the following slip for a customer once the sale has been concluded.Please note: For the purpose of this assignment, assume that a customer will only purchase one unit of each item.Q.2.1 Write the pseudocode that will produce a slip similar to the one illustrated at the beginning of the question. Your solution should satisfy the following requirements: The solution must illustrate the use of good programming practices; The solution must make use of a loop; The loop must make use of a sentinel value. (22)Q.2.2 The mainline logic of almost every procedural program consists of three parts namely housekeeping tasks, detail loop tasks and end-of-job tasks. By making use of flowcharts, show how these parts can be implemented in your solution for Question 2.1. (23)Q.2.3 All of your solutions should be structured. Explain why your solution can be considered a structured solution. (5)