6. In Problem 5, suppose that transshipping is allowed between silos 1 and 2 and silos 2 and
3. Suppose also that transshipping is allowed between farms 1 and 2,2 and 3, and 3 and 4.
The maximum two-way daily capacity on the proposed transshipping routes is 50 (thousand)
lb. What is the effect of transshipping on the unsatisfied demands at the farms?