Listen to the dialogue and complete the following summary of the dialogue.[音频]Michael, a new employee, is not familiar with the company environment, so Sally shows him around. They start from the office of Ms. Brown, the manager of the (1)__________Department. On the opposite side of Ms. Brown's office is the (2)________office. The Sales Department is (3)_________, the Purchasing Department is (4)_________, and the Marketing Department is down the (5)______. These offices and departments are all on the (6)____________floor.They then go upstairs to the 4th floor. The (7)____________Department, the (8)_________Department and the (9)__________ are on this floor. The toilet is (10)_________the corridor in front of them.