how to account for regression in sales forecasting calc unit sales to account for regression how to account for regression in sales forecasting how to do annual unit sales what should i do when calculating revenue when to use arithmetic for regression when to use regression in sales forecast what to use to account for regression when to use unit sales forecasting how to account for average unit revenue when to account for regression in sales forecasting does calc work on unit sales how to model annual units of sales how to forecast unit sales how to calculate average unit sales does regression account for product growth forecasting how to account for regression average growth of revenue and unit sales what is the base growth rate for each product what to use for sales forecasting