| employee_id | employee_name | manager_id | salary | | ----------- | ------------- | ---------- | ------ | | 1 | Alice | null | 150000 | | 2 | Bob | 1 | 120000 | | 3 | Charlie | 1 | 110000 | | 4 | David | 2 | 105000 | | 5 | Eve | 2 | 100000 | | 6 | Frank | 3 | 95000 | | 7 | Grace | 3 | 98000 | | 8 | Helen | 5 | 90000 |