This doesn't make sense and it shouldn't be this small. Doesn't fairly represent a typical week in life of an ISB student this table should be fixed by multiplying price of every item by the number of units of every particular item that we buy every year.
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Yes, that is what we call "weighting" an item. I doubt you would buy a an iPad that actually goes down in price every week!! It goes to show that technology actually gives schools a good return on their investment each year though :)
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