There are several key ways to get Commercial’s buy-in into the S&OP process, not the least of which is to show sales and demand forecast accuracy as a cause-and-effect relationship. Calculations and formulas are sometimes off-putting to those who are not mathematically inclined. That means sales forecast accuracy metrics can seem complicated, irrelevant and rather uninteresting for commercial functions. The good news, however, is that the interpretation of those complex formulas is actually quite simple straightforward. The key to getting commercial buy-in is to show the impact of forecasts in dollarized amounts.