Trend Extrapolation Involves

Trend extrapolation involves

A) extending a pattern observed in past data into the future.
B) selecting specific points on a graph of sales or market share,multiplying by the cost of living index,and allowing for a variation of plus or minus 3%.
C) averaging the total sales or market share for the previous 5 years and multiplying that number by the expected GDP growth rate for the next year (say 1.5%) to arrive at the next year's forecast.
D) selecting a given percentage and using that number as a yearly predictive base regardless of changes in sales,revenue,or market share.
E) collecting projections from all regional sales managers and making the final projection.