could really use help. im not sure how to answer

D Question 3 5 pts The formula for the tracking signal is below. Which forecasting situation will most likely result in a tracking signal that is in control. Cumulative error Tracking signal = MAD O a forecast for an item with fluctuating demand that a company must never be without (e.g, always high such as when forecasting the demand for insulin or gasoline) a forecast that is on average equally over and under demand a forecast that is always lower than actual demand O a forecast that is always higher than actual demand