What is the percent profit earned by the shopkeeper on selling the articles in his shop? I. Labeled price of the articles sold was 130% of the cost price. II. Cost price of each article was Rs. 550. III. A discount of 10% on labeled price was offered.

1. A Option A: Only I
2. B Option B: Only II
3. C Option C: I and III
4. D Option D: All the three are required
5. E Option E: Question cannot be answer even with information in all the three statements.

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