Why is each of the following good legal advice? a. Employers should adopt workplace privacy policies b. Employers should generally allow employees access to their personnel files and obtain their consent before disclosing information about employees. C. Searches should be no more extensive or intrusive than necessary d. Interrogations of employees suspected of wrongdoing should be kept as brief as possible e. Employers should carefully consider whether or how to use third parties in workplace investigations f. Information about employee misconduct derived from investigations should be treated as confidential and shared only with those who have a legitimate need to know