If a firm in a perfectly competitive market is earning normal economic profits, which of the following is true? Choose 1 answer: Choose 1 answer: (Choice A) \[PATC\] B \[PATC\] (Choice C) \[P>ATC\] and \[MC=MR\] C \[P>ATC\] and \[MC=MR\] (Choice D) \[P=ATC=MC=MR\] D \[P=ATC=MC=MR\] (Choice E) \[P>MR\], \[P>ATC\], and \[MC=MR\] E \[P>MR\], \[P>ATC\], and \[MC=MR\]