Learning Goal: I’m working on a economics report and need an explanation and ans

Learning Goal: I’m working on a economics report and need an explanation and answer to help me learn.Develop an engineering economy study of a problem for below topic:Replacement
of Elevator System in Office
Use at least two outside references (in addition to the texts and your notes) in developing your project. One reference should be from a refereed source (conference or journal paper).
Use at least two techniques from the class. Example techniques:
Cash flow analysis (note that all cash flow analysis techniques are equivalent and count as only one method)
Design optimization
Demand curves
Depreciation and taxes
Cost estimation
Breakeven or sensitivity analysis
Probabilistic risk analysis
Write and submit a technical paper documenting your results using the attached template
Develop and submit a Powerpoint presentation on your project using the attached template –> Attached Sample Document for reference for other topic