Passage: 'Four out of five RBC advisors surveyed agreed that personalized service improves client retention. The survey included 200 advisors across three regions.' — Which statement is most valid?
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A
Personalized service is proven to improve retention industry-wide
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B
A majority of surveyed advisors believe personalized service helps retention
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C
All RBC advisors value personalized service above other factors
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D
The survey proves that standardized service decreases retention