TOEFL Listening: ETS-TOEFL听力机经 - D654SGVUPH5E575JP$

What does the professor say about the accounting department he worked with? A. The fact that the department's different groups all worked at the same time was causing inefficiency. B. Value Stream Mapping was not as effective for the department as he had hoped. C. The department's procedures had been designed using an earlier version of Value Stream Mapping. D. The department was eventually able to complete its work in less time than before.