QUESTION $1$O

When calculating a three$-$period moving average forecast, we

calculate the average of the forecasts for the next three periods.

average any three randomly selected prior demand observations to caclulate the forecast for any three future periods.

move into the future 'three periods at a time.$\text{'}$

set our forecast for the next period equal to the average of the three most recent demand observations.

predict demand for the next three time periods.