This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
Finding the most cost effective way doing a project – 
Select and explain. 
A. Network analysis, B. System analysis, C. Cost analysis, D. Field analysis
C: Cost analysis
Answer: C: Cost analysis 
Explanation: Cost analysis 

Cost analysis is simply a part of good programme budgeting and accounting practices, which allow manager to determine the true cost of a project.
It includes :

Cost - effective analysis
Cost - benefit analysis