Answer:
d. research Turkish law and hire a mediator familiar with Turkish customs.
Step-by-step explanation:
Based on the scenario being described within the question it can be said that the best way that you can accomplish this would be to research Turkish law and hire a mediator familiar with Turkish customs. This would allow you to rely on a professional to handle all of these types of aspects so that you can make the correct decisions without causing an incident due to not having the right information regarding Turkish customs.