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Hi John,
My name is Awais and I am from Pakistan. You are really a great teacher. My question is about drawing iso contribution line.. I did not understand from lectures.. How can we assume a figure to calculate the points of iso contribution line.Please guide me.. what is the logic behind assuming total contribution say 90 or some other figure.
thank u
You can choose any total contribution that you want. Whatever you choose (whether it be 90 or 100 or whatever) the angle (slope/gradient) of the line you end up with will be the same, and it is only the angle of the line that we need.
You just need to choose a total which ends up with a line that does actually fit on the graph 🙂
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