If only one of three events can occur at any given time, the events are ________

The EPA passes a proposed a rule change to the Clean Air Act related to the discharge of emissions by factories. The EPA's action would be considered arbitrary and capricious for all of the following reasons except:

a. it failed to provide the required time for notice and comment. b. it failed to provide a rational explanation for its decision. c. it changed a prior policy without justification. d. it considered legally inappropriate factors.

Which of the following would most likely use informal research methods to obtain marketing insights?

A) multinational firms B) pharmaceutical firms C) brick-and-mortar companies D) not-for-profit organizations E) family-owned businesses