The Chairman of a big company visits one department on Monday of every week except for the Monday of third week of every month. When did he visit the Purchase department ? I. He visited Accounts department in the second week of September after having visited Purchase department on the earlier occasion. II. He had visited Purchase department immediately after visiting Stores department but before visiting Accounts department.

• If the data in statement I alone are sufficient to answer the question
• If the data in statement II alone are sufficient answer the question
• If the data either in I or II alone are sufficient to answer the question;
• If the data even in both the statements together are not sufficient to answer the question