Answer:
You need to first use the Sum function to add up all the costs of September.
Then divide each September cost by the grand total that you got. After that format the last column to be percentages.
Look at the attached file for the formulas used.
I believe it is b so I will just leave it at that
A. This is very important to keep your readers/users interested in your content / organization or whatever.
Answer:
i think its b if not sorry
Explanation:
The answer is 1. A<span>lcoholic Fermentation
Hope that helped :)</span>