we are modifying the business not the performance indicators and we are comparing the these things using like.

C modifies the indicators.
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Another possible issue with C might be parallelism.

(C) increases both with the time and resources

(E) increases both with the time and the resources

The main thing that separated C and E was the parallelism of "with the time and the resources. "
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How is E correct? The use of like is incorrect:
The growth rate of a startup business, like other performance indicators, generally increases with both the time and the

You are comparing a rate with an indicator which are not nouns
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If C had had "the" before "time, it would have been the right answer. I dont seem to find any problem with the modfiers. Can someone please correct me if I'm wrong.
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C. Like other performance indicators, the growth rate of a startup business generally increases both with the time and

You are absolutely right in that there is no problem with the modifier. Option C lacks parallelism because of missing "the" at the end of option.
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I am responding to a pm from fameatop:

Split #1: we use "like" for comparing nouns (X, like Y, is Q). We use "as" for comparing verbs/predicates (X does P, as does Y). Choices (A) & (D) use "as" with a noun --- these are incorrect. The structure "as with [noun]" is highly suspicious --- I don't believe I've ever seen this correct on the GMAT, so (B) is out as well. Only (C) & (E) survive this first split.

Split #2: the order of "both" and "with". The sentence wants to say "with" two things --- P = "the time dedicated to the endeavor" and Q = "the resources dedicated to the endeavor". Obvious, we are not going to repeat that long common phrase "dedicated to the endeavor" --- we only use that once. The question is --- where should be put the word "both"? If we use the word "both" after "with" --- "with both P and Q" --- this correctly emphasizes: with both of the items. By contrast, if we put "both" before the word "with", that implies that the two elements of the "both" are two prepositional phrases, the first beginning with "with" and the second, presumably, beginning with another preposition --- "both with P and under K" ---- technically, if both terms have the same preposition, we would need to repeat that, to emphasize the same preposition is coming twice --- "both with P and with Q" --- of course, that's terribly wordy. The word "both" is the "joining word", the word that introduces some sort of parallelism --- a common word applying to both terms of the parallelism can appear once before the joining word, or in each term after the joining word, either once outside the parallel structure or before each term inside the parallel structure, either "with both P and Q" or "both with P and with Q". See this blog for more info:
http://magoosh.com/gmat/2012/common-par ... orrection/
The structure "both with P and Q" is incorrect, a violation of parallelism, and choices (C) & (D) make this mistake, so both of these are incorrect.

The only answer choice that survives both splits is (E), the OA.

Let me know if anyone reading this has any further questions.

Mike
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Mike McGarry
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