can fix that by doubling the number of production runs." Again, mass confusion. "Wait a minute. We cut inventory and lots in half and then we double the production run?"
By now, their brains' logic circuits have probably shorted out and their ears are about ready to start spurting fireworks. That might be a good point to end the consulting session, and just leave them to think about it.
It is truly amazing how many top managers at manufacturing companies are ignorant of basic production principles. They should at least be able to immediately recognize the relationship between lead-time and inventory.
Let us look at the line chart shown in Figure 2.20 below.
Figure 2.20 Line Chart.