Exam CTFL v4.0 topic 1 question 14 discussion

You have been given the following test cases for execution. You have been told that security and usability are the highest priorities respectively for this banking application. What is the proper execution order for these test cases?
1. Update a customer’s account balance
2. Query a customer’s account balance
3. Delete a request for a paper statement
4. Change the font size on the page to improve readability
5. Create a new payee in a customer’s automatic bill pay list