During the Planning Phase of a Software Design Project,the Team

During the planning phase of a software design project,the team members working on it were identified.While identifying a designer,the committee contemplated if an inexpensive and underqualified person could be used.Which of the following statements are valid and based on the premise that the decision,if taken,would be a bad one?

A) A designer writes code or uses a product development app to create the program's specifications.As he creates the product,a designer is necessary.
B) A designer reviews every aspect and functionality of a program to ensure it works as intended.As he ensures a working product,a designer is necessary.
C) A designer develops the program's user interface,including colors,fonts,and layout.As he focuses on the user experience,ease of product use and navigation of the software,a designer is necessary.
D) A designer interacts with customers and users of the product to assist them with any issues that arise.As he assists the customers,a designer is necessary.