In the worksheet shown, we have a list of values in column C. The goal is to dynamically average the last n values using the numbers in cell E5 for n. Since the list may grow over time, the key requirement is to average amounts by position....Read more
The 4% retirement rule suggests you can safely withdraw 4% of your portfolio in year one of retirement, then adjust that amount for inflation each year for 30 years without running out of money. But how does this actually play out year by year? This article builds a complete Excel model to...Read more
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