A certain small company has a policy that every manager must be scheduled to be present at the company's office at any time during which all of the manager's supervisees

are scheduled to be present at the office. The shifts of the three supervisees of a certain manager, in 24-hour format, are as follows:

* Employee 1—Scheduled to be present from 11:30 through 16:00 every business day

* Employee 2—Scheduled to be present from 9:00 through 14:30 every business day

* Employee 3—Scheduled to be present from 10:30 through 13:30 every business day

Indicate below the earliest time and the latest time at which, based on the information provided, the manager must be scheduled to be present at the office on every

business day. Make only two selections, one in each column.