ProCalc Blog Post on NER (Net Effective Rate). Good read.
[{"id": "cpren9x", "text": "Down votes for a good blog post giving an easy to understand explanation about a very important, and highly misunderstood, calculation for our business?\n\nYikes.", "replies": [{"id": "cpsy571", "text": "I'm guessing because it's a blog post pushing the reader to buy ProCalc.  \n\nThat said, it does do a decent job of explaining, just a little too wordy. The hook for 'why does it matter' should be earlier in the article IMO. ", "replies": [], "depth": 2}], "depth": 1}]