$8.$ We've mentioned future proofing many times. After all, if your query breaks next week, what was the point of automating everything? Future proofing and testing are essential. Which of the following should you consider when building queries in Power Query? Select ALL correct answers.

a$.$ Do I need to add comments to help the next user to navigate my queries?

b$.$ Think about how the data might change in the future. How can you make your queries more robust against predictable changes in layout, such as the number of columns?

c$.$ What data types will be needed for our analysis, and what data types should we set in our query?

d$.$ Does my data really need to be loaded to an excel table, or will a connection suffice?

e$.$ Will any of power query's automatically inserted steps mess up our queries if things change in the future?