Please help! Each answer should be 90 - 175 words.

12-1. List some of the operations and functions in a company that are dependent on a forecast for product demand.

12-2. What is the difference between quantitative forecast methods and qualitative forecast methods?

12-3. Describe the difference between short- and long-range forecasts. 12-4. Discuss the role of forecasting in supply chain management.

13-1.Describe the difference between independent and dependent demand and give an example of each for a pizza restaurant such as Dominos or Pizza Hut. 13-2.Distinguish between a fixed-order-quantity system and fixed-time-period system and give an example of each. 13-3.Discuss customer service level for an inventory system within the context of quality management.

14-1.What is the purpose of sales and operations planning? Describe the S&OP process. 14-2.List several alternatives for adjusting capacity. List several alternatives for managing demand. 14-3.Describe the output of aggregate planning. When is aggregate planning most useful?