4. What best practices should be considered when designing an ethics reporting mechanism? (Check all that apply.) a. Encourage participation by offering rewards for helping to maintain an ethical climate. b. In addition to accepting reports if unethical behavior, use a hotline to provide guidance towards appropriate ethical conduct. c. Establish an anonymous ethics hotline/helpline (or website) for all stakeholders. d. Create a formal process that always starts with the employee's supervisor or manager. e. Keep negative ethical reports under the radar so as not to alarm stakeholders