You have been asked by the CFO of your firm to look at ways to improve your key accounting operations (billing, A/R, and A/P). Recommend a best practice for one of these functions, explaining how your best practice will improve your firms operations as well as any potential challenges regarding implementing your best practice.

Please add examples and find an article that supports your answer. Be sure to include (a) the title of the article; (b) a link to it; and (c) a two-sentence summary of the article.