A shopkeeper sells some articles at the profit of 25% on the original price. What is the exact amount of profit? To find the answer, which of the following information given in Statements I and II is/are necessary? I. Sale price of the article II. Number of articles sold

1. A Option A: Only I is necessary
2. B Option B: Only II is necessary
3. C Option C: Either I or II is necessary
4. D Option D: Both I and II are necessary
5. E Option E: None of these

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