Many of the firms that were the first to use fracking techniques to produce oil were small. By 2018, though, many large oil companies, such as Chevron and Exxon-Mobil, had begun using fracking techniques. An article in the Wall Street Journal quotes an industry analyst as arguing that "these bigger companies have the scale to build or finance infrastructure and secure the best equipment and supplies." The article then notes, "The 'bigger is better' mantra has started pushing smaller operators toward a new era of consolidation in fracking." Source: Bradley Olson, "Oil Giants Use Size to Overcome Fracking Challenges," Wall Street Journal, September 20, 2018. Assuming that this analysis is correct, ______ represents the long run average cost curve for a smaller oil firm and ______ represents the long run average cost curve for a larger oil firm. A. ATC 1; ATC 2 B. ATC 3; ATC 2 C. ATC 2; ATC 1 D. ATC 3; ATC 1