Even with fast food and fast casual restaurant prices  at an all-time high , customers can still feel it in their wallet at some places more than others. As such, a study has determined the most  "overpriced" fast food chains in the United States .  The study was conducted by  Preply , an online, language-learning marketplace that connects students and tutors by means of a machine-learning-powered algorithm. In coming up with the findings, the company engineered a language analysis of 57,245 Goo...