Hello,
I'm trying to building a spreadsheet that calculates a percentage of a certain value that changes based on the running total of values. There would be two columns (in addition to helper columns, perhaps?). One for the value and one for the running total. When a value makes the running total cross a threshold, the portion of that value (and not the running total, note) that only brings it up to and not across the threshold gets multiplied by the appropriate percentage and the portion that's left over gets multiplied by the next percentage and then they get added together. I've tried various things, like nested if statements, vlookup, etc. The formulas seem to break after a number crosses a threshold.
Going further, although I don't foresee this happening, a value might even push the running total across two thresholds! I'm not sure if any of this is even possible or if I'm just running in circles.
Any assistance is greatly appreciated!
-morgan74
Edit: Solution can be found here: Here's a link to the solution:
http://www.reddit.com/r/excel/commen...t_vary/cd6sjow
Backtrack to the original comments and follow-up. Post includes a sample .xls doc.
(this is the final correction; original problem and suggested solutions can be found by backtracking)
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