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.

• 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.
• A. Only I
• B. Only II
• C. I and III
• D. All the three are required
• E. Question cannot be answer even with information in all the three statements.