Applejack is certain that she works the hardest of all her friends, as apple-bucking is a stressful and tiring job. She ponders how somepony like Rarity would fare in her role - to Applejack, fashion-designing has to be one of the easiest 'jobs' you could possibly do. However, after enacting on her suspicions, she quickly finds herself in a furious argument with her close friend, leading to interesting results.
Another fic which is supposed to be cute. You may find this one cute - you may not. *waves hooves in an even more mystifying fashion*