Whic of the following statements is false about forecasting? a) In long-horizon forecasts, one of the important factors

[answerhappygod]

Whic of the following statements is false about forecasting?
a) In long-horizon forecasts, one of the important factors is
trend.
b) In short-horizon forecasts, the short-run characteristics of
time series such as serial correlation
should be taken into consideration.
c) We can ignore seasonality when forecasting for a long-time
horizon.
d) A forecast horizon is the length of the time period we want to
forecast for.