Answer:
Demonstrate a commitment to ethical decision making.
Explanation:
Ethical decision making is the process of making decision on the basis of ethical principles after evaluating and choosing best options available. The decision should be supported by facts and data. It require commitment and  right attitude to get ethical decision.
In the given case, A Social Media Company encourages its managers to behave ethically, therefore, to create and maintain an ethical workplace is for GetTogether’s management to demonstrate a commitment to ethical decision making.