Which of the following statements is incorrect?Group of answer choicesIn MTO, purchased parts may have to be ordered when customer order is placed thus extending delivery time.Production planning uses the forecast as well as current orders to plan how parts will flow through the factory.Inventory Management is responsible for assuring that the quantity of parts at each operation $($or work center$)$ actually match the number of parts that are actually there.For batch processing, the flexibility is usually poor because changing from one type of product to another is often very time$-$consuming and expensive.To keep workers busy and anticipate potentially periods of under$-$capacity, Marketing and Production Control often have to forecast product demand.