Excel formula

in Excel :

De Paris coffee shop gets an average of 80 customers per night.  Owner, wants to calculate whether
he should hire 1,2,3, or 4 waiters. He has determined that the average waiting times will be 7 minutes with
one waiter, 5 minutes with two waiters, 3 minutes with 3 waiters and 2 minutes with 4 waiters. He has
estimated the cost per minute that customers wait is SR1. Using Excel spreadsheet and answer the below
related question.
How many waiters should owner hire if the cost of salary per 1 waiter per night is SR150?
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Roy CoxGroup Finance ManagerCommented:
@Roy Cox I thought the same :)

Yes - looks like homework, but that is allowed I believe?

Attached is my shot at it - I have not done homework for some decades....


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Roy CoxGroup Finance ManagerCommented:
Alan, you appear to have answered the question.

The Author did not disclose that it is an assignment that he/she required help with.

I would have expected to see guidance not completion.
Yes - Maybe guidance would have been a better initial response.
Roy CoxGroup Finance ManagerCommented:
As I expected not even any thanks!
No thanks required, nor expected.
Roy CoxGroup Finance ManagerCommented:
That's your choice but I would expect some thanks from the author, after all you have completed the assignment which is probably cheating
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Microsoft Excel

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