Which of the following statements about sales forecasting is true?
A) The most expensive forms of sales forecasting are trend extrapolation and a survey of experts.
B) With the lost-horse forecast, former customers are asked if they are likely to buy the product again.
C) A lost-horse survey is more expensive to conduct than a survey of buyers' intentions.
D) Trend extrapolation is the easiest method of sales forecasting.
E) A sales force survey forecast is less expensive to conduct than trend extrapolation.
Answer: D