Which of the following statements accurately describes the Toyota Production System (TPS)? (A) Heijunka (leveled production) is achieved by reducing takt time ("beat of the plant") in a production line. (B) Andon cord is used as a signaling mechanism that enables pull production system. (C) Toyota traditionally has had cost advantage among auto manufacturers due to its sourcing strategy of pitting suppliers against one another in contract bidding. (D) Under TPS, quality control is intricately related to the philosophy of "waste is bad." (E) TPS is designed to provide maximum protection against major supply chain disruptions. (F) None of the above accurately describes TPS