Question 6.7 (K. R. Gue). Where is the best place for a single cross-aisle in a unit-load warehouse such as shown in Figure 6.15? Assume that all operations are dual-cycle, all locations are equally likely to be used, and that both receiving and shipping are at the bottom of the figure. What if receiving and shipping are on opposite sides? How would your answers change if the challenge were to locate several cross-aisles