This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Health education & planning, Subject name: Social & Preventive Medicine
Finding the most cost effcetive way doing a project - 
Select and explain. 
A. Network analysis, B. System analysis, C. Cost analysis, D. Field analaysis
B: System analysis
Answer: B: System analysis 
Explanation: The purpose of system analysis is to help the decision maker to choose an appropriate course action by investigating his problem,searching out objectives,finding out alternative solution,evaluation of the alternatives in terms of cost effectiveness,re-examination of the objectives if necessary and finding the most cost effective alternative (refer pgno:872 park 23 rd edition)