1. in the PowerPoint on logic flowcharts.

9. Note that I ask for amount first so in fact I need to enter the 5000 first and the A second.

10. it did not change, that is what I saw
it did not change, that is what I saw. If I had entered the 6000 for the amount and the A for the code, I would have seen OK.

11. Code to let me enter A or a, but there was a problem
Code to let me enter A or a, but there was a problem. I cannot use or, I need to use || for the or.

12. Now with the !! I get results.

13. To use A or a, I can also convert the code to upper case using this function.