ENR distributors is a company that does not mind if the confidence of their employees is high or low. It requires 12 hours of work for employees with no overtime pay and also pays low minimum wage. Saeed who works in the production department is also given assignments to deliver products by the manager of logistics department. His target is to deliver at least 100 bottle (1 liter) of water in one week. Ahmed who works in the same department is given only 50 bottles as a sales target. Which Principle of Management has been violated?