What time frame do economists consider to be the long run? Choose 1 answer: Choose 1 answer: (Choice A) \[6\] months A \[6\] months (Choice B) \[10\] years B \[10\] years (Choice C) however much time firms need to adjust all inputs to production C however much time firms need to adjust all inputs to production (Choice D) \[1\] year D \[1\] year (Choice E) \[5\] years E \[5\] years