Kellan's frantic manager needed to send a very time-sensitive press release and realized she didn't know how to format it properly. It wasn't an issue, however, because Kellan had done something several months earlier that most successful administrative professionals commonly do, and that made it easy for his manager to move forward with sending the press release. What did Kellan MOST likely do months ago that made his manager's job easier today? Drafted and prepared the press release himself Gathered reference guides and stored them on his computer Took a research course and learned to quickly find relevant information Created an effective prioritization system to maximize productivity