Media baron rupert murdoch bought tv guide in 1988 because of
a. it was one of the world's most profitable magazines he wanted to ensure that programs for his fox network would be listed
b. he wanted to change the magazine's liberal editorial policy
c. he enjoyed reading the magazine
d. he was afraid it would go out of business without him

he wanted to ensure that programs for his Fox network would be listed              

Explanation:

           A media baron is a person who controls and owns many newspapers, magazines, television companies and publication houses, etc.

           Rupert Murdoch, a news entrepreneur owns the global media company, the News Corp. Murdoch controls the media empire which includes The Times of London, Fox News,  and The Wall Street Journal.

           Walter H. Annenberg sold TV Guide for  $3 billion to Rupert Murdoch's News Corporation. Murdoch bought it because he wanted to make sure that the channels for his Fox Network would be listed.

Thus the answer is ---

he wanted to ensure that programs for his Fox network would be listed    

c- companies fail to take environmental protection into account. i think

an informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.