In each of the following cases, which principle of Fayol is being violated:
(i) When the manager contracts with his cousin for supply of material, knowing that such materials are defective.
(ii) When chalks are kept in library and books in office.
(iii) A worker receiving orders from two bosses.
(iv) When no department has a separate plan of action.
(v) A subordinate habitually contacts higher authorities passing over his superior.
(vi) Tools are not found in their right place.
(vii) The manager grants three leaves to a subordinate with pay and one leave with pay to another.
(viii) When the sales manager is not allowed to give discounts, to generate significant sales.