Justify your answers to the following questions:

1. In a one-stage assembly system, each component facility should order at least as frequently as the end product facility. (a) TRUE (b) FALSE

2. In a one-stage assembly system, if the ratio (fn/hn) of the end-product facility is larger than all the component facility ratios, some component facilities might not synchronize orders with the end product. (a) TRUE (b) FALSE

3. In a joint replenishment system, it might be optimal for all retailers to order less frequently than the cross-dock. (a) TRUE (b) FALSE

4. In a one-stage distribution system, it might be optimal for the retailers to order using cycles that are not multiples of one another. (a) TRUE (b) FALSE