When an employee is moved from one job to another position that is lower in pay, responsibility, and level?

When an employee is moved from one job to another position that is lower in pay, responsibility, and level?

(a) Promotion
(b) Transfer
(c) Demotion
(d) All of above
✅ (c) Demotion
Explanation: Demotion is a downward movement due to poor performance or restructuring.