ANSWER: 
It is because, the SIS department does not add to the profit of the organization, instead they cause the organization to incur more cost. 
EXPLANATION:
From the context of your question, SIS means Special Information System. This information system helps to promote the company's goal by enhancing and aiding each department in the organization in processing Information among staffs of the organization and across clients of the the organization. They always serves as a mediator in communication. 
But because each department can communicate with each other directly, without SIS, and messages can be circulated in the organization by circulating a hardcopy of such message. Top management See's it as a waste of money to invest in SIS, as such department are always costly to manage. 
 
        
             
        
        
        
Answer:
The Trojan War, in Greek tradition, started as a way for Zeus to reduce the ever-increasing population of humanity and, more practically, as an expedition to reclaim Helen, wife of Menelaus, King of Sparta and brother of Agamemnon.
Explanation:
Hope it helps :p
 
        
                    
             
        
        
        
Rita’s most favourite place in the world is the beach, a magical place full of life. Everything is in motion there, from the ferris wheel and the unceasingly pounding waves to the shores’ sand shifting back and fourth due to the tides. Beaches present a myriad of activities such as: snorkelling, surging and crabbing. Each day at the Beach with her friends and family is a miracle. 
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Ok! So Beach is a noun, meaning it needs to be capitalized. (person place or thing. In this case a place) therefore a noun. 
Good luck!
        
             
        
        
        
The Right answer is a.  an event, an action, or a situation that produces a result.
The explanation for this is that according to the dictionary Aurélio, cause is what makes a thing to be, to exist or to happen. It is the principle, the reason or the origin of something.