The main point of this topic was not to ask for 24/7 support but to both open another avenue for resolution as well as to serve as an illustration for anyone else with an Xbox on how the process works.
With that, the final entry:
It was explained to me that the first picture did not show the purchase as complete. However, the second picture from Xbox.com did show the purchase as complete. As such, it is advised for anyone experiencing this to include a picture from Xbox.com rather than directly from their Xbox.
They also asked whether I had experienced this before which was a nice proactive touch. (I do not believe that I had or, if I did, it was too far back to remember.)
Overall final total: 2 days from first E-mail and 3 E-mails. This could have been shaved down to 1 day and 2 E-mails if I had used an Xbox.com snip instead of a picture from my Xbox so that's on me.
Thank you for your prompt and courteous attention to this matter.