Starbucks investigates coffee bean growing regions and before it contracts to buy the beans from local growers, sets up clinics to inoculate residents from diseases in the area, provides sources of clean water for the villages, and otherwise works to improve the standard of living for the residents. this is an example of the company acting on its perception of its

a) social responsibility.
b) personal responsibility.
c) way to improve profits.
d) need for better public relations.