<prompt> PE type of system is used for-Cost effective analysisCost benefit analysisNetwork analysisInput-Output analysis  <response>: Ans. is c i.e., Network analysis Network analysis o A network analysis is a graphic of all events and activities to be completed in order to reach an end objective. o It brings greater discipline in planning. o The two common types of network technique are : a Programme Evaluation and Review technique PE b Critical Path method CPM 