Ishika Industries has set up its new production unit and sales office at Ranchi. The company compound has 4 buildings as shown in the diagram given :Distances between these buildings are as follows:Administrative Office to Factory A150 mFactory A to Factory B50 mFactory B to Sales Office100 mSales Office to Administrative Office200 mAdministrative Office to Factory B125 mNumber of Computers in each of the buildings as follows :Administrative Office15Factory A25Factory B18Sales Office15(i) Suggest a cable layout of connections between the buildings so that each building is directly connected to Administrative Office.(ii) Suggest the most suitable place (i.e. building) to house the server of this production unit with a suitable reason.(iii) Suggest the placement of the following devices with justification:(a) Repeater(b) Hub/Switch(iv) The Administrative Office of this unit is to be linked with the head office situated in Patiala (Punjab). What will be the most economical way to do this? justify your answer.