PricewaterhouseCoopers (PwC) emphasizes the value of "embracing diversity and inclusion." Multiple dimensions of diversity are valued and effectively managed, including ethnicity, race, gender, sexual orientation, religion, physical ability, values and attitudes. Employees with different backgrounds and personalities work well together. Which type of diversity is this case about?
a. Deep-level diversity only.
b. None of the surface-level and deep-level diversity.
c. Surface-level diversity only.
d. Surface-level diversity and deep-level diversity.