# Linear Programming-Dec. 2010(Cosmetic Co.) Ques. 3

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This topic contains 5 replies, has 3 voices, and was last updated by  John Moffat 2 years, 9 months ago.

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• Tenuvi
Member

I will like to know why 800 was multiplied by 8 in the contribution equation.

John Moffat
Keymaster

The \$8 is the contribution for each bottle of lotion.

If we make 800 bottle of lotion and no bottles of cream then the total contribution is 800 x 8 = 6400.

They have only done this to get the angle of the contribution line. You could choose any numbers and the angle of the line will be the same – it is only the angle/slope of the line that we need.

(If you watch the lecture, it explains for the example in the course notes why the angle/slope of the line is important and how to get it.)

Tenuvi
Member

Thanks a lot!

John Moffat
Keymaster

You are welcome.

Gulfam
Participant

i want to ask that which book is good kaplan or bpp learning media
is it necessary to do a per for 3 years
if i not a PER can i get a job
what is the starting salary if i complete acca

John Moffat
Keymaster

Kaplan and BPP books are both good.
You can still get a job if you have not finished 3 years experience, but you cannot call yourself ACCA until you have passed all the exams and have 3 years experience.
I have no idea about starting salaries (and it depends what country you are in!). I suggest you do some research on Google.

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