the authors discuss the 7 types of waste identified by Taiichi Ohno in his book. Ohno, the architect of the Toyota Production System (TPS) saw it as the responsibility of the manager to eliminate these wastes. The authors state that when these wastes are traced they are ultimately due to: Group of answer choices Inattentive workers Customers who demand too much from a system Managers trained in American Mass Production methods Imperfections in the process as well as demand and supply variability accompanied by incorrect management policies