What project selection model is appropriate for the conversion of a passenger aircraft to a dedicated freight aircraft? That is converting an aircraft originally designed for passenger use to now exclusively delivering cargo.

These are the models:

Checklist model

Simplified Socring model

The Analytical hierarchy process

Profile Models

Financial models (payback period, net present value, discounted payback, internal rate of return)?

Select one and justify why that is the most suitable model compared to the other models.