Given below is a question followed by three statements. Identify the statements that are necessary to answer the question.Question: What is the percentage profit gained by a vendor when he sells an article?Statements: (i) He gives a 10% discount on the marked price.(ii) He would have earned 25% profit if he did not give any discount.(iii) The cost price of the article is Rs. 8000Choose the correct option from those given below :

• A. (i) and (ii) only
• B. (ii) and (iii) only
• C. (i) and (iii) only
• D. (i), (ii) and (iii)