Please DO NOT answer those questions in HOW TO DO IT STEP BY STEP in excel (I know how to do it). I just need to answer them under LECTURE EXPLANATION (word by word) like in SHORT PARAGRAPH.

1. What would you do to maintain a template invoice, and why is it important to create and maintain the template?

2. How could you save an individual customer invoice without changing the template, and why is this necessary?

3. What issues could during the order process, and what are additional error control measures that could be implemented to help mitigate issues with the order?