The final grade was based off of the sum of the FPS ratio and the cost ratio divided by two (so they would now be on a 0-200% scale). The prices were averages found over the Internet. The margin of error is less than 5% for cost based off of the analysis done on hand.
If you wish to insert your own prices, feel free to replicate the chart and support your claim. To create a 0 - 1 ratio simply use this basic formula. (Current X - Minimum of X's) / (Maximum of X's - Minimum of X's). Remember to switch the fields so that greater FPS's correspond to values closer to 1.
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