XYZ Company, Annual Data

Actual demand Forecasted Demand

15 14

15 16

17 18

18 20

20 22

21 24

Based on the information given in the table above, we can conclude that, in general,?

a. the forecasting method is underestimating demand.

b. the forecasting method is overestimating demand.

c. we cannot determine whether the predictions are underestimating or overestimating demand.