Answer:
b."just enough to meet the desires of the target market," anything else is waste.
Explanation: A Distribution Network is an interconnected Distribution centres or channels which are used for the transfer of materials from one point to another,a Distribution centre links up smaller retailers, wholesalers,customers etc
The intensity of a Distribution network or process should be made in such a way as to be enough to meet the desires and needs of the customers, there will not be any need to make more Distribution centres Available,as it will amount to waste of Resources.