In line 8, “bean-counters” is a derogatory expression used to describe second-class accountants who deal specifically with agribusiness. 
The author accuses some firms of bribing unscrupulous academics to put forward compelling arguments hereby they could block proposals to create mandatory audit rotation. 
The fragment “longer tenures yield better results” (l.8) indicates that it is necessary a considerable amount of time for an auditing company which has been hired to sharpen its auditing skills and deliver superior results. 
In “to me that’s not an audit, that’s a joint venture” (l.5), the word “that” refers to the situation mentioned before, that is, the same auditing firm being responsible for a client for too long a period of time. 
The expression “magic bullet” (l.23) could be correctly replaced by cure-all, wonder drug or perfect solution, without any change in its meaning. 
It can be concluded from the text that
the term e-government is used, in a broad sense, to cover a variety of situations or possibilities related to the use of the Internet by the government.
It can be concluded from the text that
the significant variation in the range and functionality of e-government services provided through state portals is related to the fact that the adoption of e-government services has taken place rapidly.
It can be concluded from the text that
proponents of new information technology have suggested that existing organizational and political relationships influence any use of new technology.
It can be concluded from the text that
some common goals of the activities encompassed by e-governance would certainly include improving efficiency.
It can be concluded from the text that
information is an indispensable and vital part of government.