Quick Advanced Accounting question. Consolidation process

1) Please answer the following. At least 2 sentences per question:  Write your answer in APA. Include at least one reference as an intext citation and then include in reference citation at the end. Here is an example of how it should look : 

In text citation : She stated, "Students often had difficulty using APA style" (Jones, 1998, p. 199),

Reference citation: 

Bernstein, M. (2002). 10 tips on writing the living Web. A List Apart: For People Who Make Websites, 149. Retrieved from http://www.alistapart.com/articles/writeliving

If you have trouble using APA  please visit here https://owl.english.purdue.edu/owl/resource/560/01/

A new employee has been given responsibility for preparing the consolidated financial statements of Sample Company. After having attempted to work alone for some time, the employee is seeking assistance to gain an overall understanding of the ways in which the consolidation process works. You have been asked to provide assistance in explaining the consolidation process. Describe how you would frame your comments, accounting for each of the following questions:

1. Why must the eliminating entries be entered in the consolidation worksheet each time consolidated statements are prepared?
2. How is the beginning-of-period noncontrolling interest balance determined?
3. How is the end-of-period noncontrolling interest balance determined?
4. Which of the subsidiary’s account balances must always be eliminated?
5. Which of the parent company’s account balances must always be eliminated?