I need help with a management assignment

I have read this article below in the link and wrote a 2 page and a half journal about it and the professor gave me a 12 / 25 on it. so she asked me to redo it. 

https://threverdy.files.wordpress.com/2015/10/what-you-dont-know-about-making-decisions-garvin-hbr-sept-01.pdf

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