William is writing a speech about the importance of diversity in the workplace that he will deliver at a diversity training session. His audience is a group of experienced managers of a large hotel chain. Which of the following is NOT something William needs to consider as he writes his introduction? 

a.) Whether or not all employees receive adequate healthcare coverage 

b.) How to best present himself as an expert on diversity that the audience can trust 

c.) Whether he would like to inform his audience about diversity or try to persuade them that diverse hiring practices will benefit their hotels 

d.) How specific he should get about what a diverse staff would include for each of the hotel locations