The company's executives answered that two was the exact number they wanted at this particular time, because their production was based on customer orders and anything more than necessary would be a waste of resources. After this visit to Boeing, Bo became much more critical of the Chinese practice of a planned economy, pointing out that excesses of production were in fact a waste of resources. Even for a planned economy, Bo believed that central planning should be based on market demand instead of on rigid Soviet-style planning undertaken without regard to market forces.[citation needed]