Week 4 Discussion Forum. Choose two (2) of the following five (5) questions, and complete your answers in 100-150 words. Present examples of the possible application of your answers. 1. Briefly describe the steps to develop a forecast system. 2. What is a qualitative model forecasts and when is it appropriate? 3. Briefly describe the Delphi technique. 4. A seasonal index can be less than one, equal to one or greater than one. Explain why each of these values means? 5. Explain what would happen if a smoothing constant exponential smoothing model is zero. Explain what would happen if this constant is equal to one.