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Part $1$

One qualitative forecasting method bases the forecast for a new product or service on the actual sales history of a similar product or service. An example is forecasting demand for the newest model of iPod by using the demand history from the previous model of iPod. This method is

A$.$

life cycle analogy.

B$.$

Delphi.

C$.$

$$build$-$up forecasting.

D$.$

panel consensus forecasting.