A long, long time ago in a galaxy far, far away a group of free thinkers far more advanced than we came up with a most earth shattering concept known as return on investment. The basic idea of this concept was that when you invest in something you want to achieve a positive return on that investment, it is most commonly expressed as the below formulas:
And less frequently like this:
Now some would argue that not all of the above are correct, however I’ll leave that for you to ponder a while.
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