In the Cell 'H13' of Sheet 'Payroll Data', the 'Formula' was not set to 'G13-B13*$B$24'.
You can have paragraph alignment which is left, right, and center
The answer to this question would be algorithm animation.
Since the algorithm is animate, then you will be able to watch it works. Watching the algorithm executed can give you much information, what the algorithm does and how the algorithm does it.
Normally you will not be able to do this since the algorithm only do what it needs to do without reporting the detail to you
What exactly is your question?
The answer is pavement markings. Hope I helped! :)