Does 'The forecasting and inventory models presented in this chapter are not new; they have been recommended for years by statisticians and operations researchers.' exist in a separate context from 'The inventory operations presented in this chapter all take a lot of time to implement.', without logical interdependence?
The forecasting and inventory models presented in this chapter are not new; they have been recommended for years by statisticians and operations researchers.###The inventory operations presented in this chapter all take a lot of time to implement.