Information Systems Analysis with case study (System Analysis, DEF drawing , ROI calculation etc)

Hello , I am reposting this project as i couldn't find suitable one .I am looking for professional to hire the Information Systems Analysis Case study to do for me with prefect score. I can't find related skill for the project title. I am looking for someone who is very good with system analysis in terms of Information System. You need to have very good experience with finding Payback analysis . ROI analysis and NPV ( net present value) also with the knowledge of context diagram , DFD and 0 DFD diagram. Please know the different between DFD and 0 DFD . For this project I will need you to get at least 90% of the total score if you can't get it 90% i won't be paying full price to you. If you can't agree please dont bid or take the project . I will be needing this within 2 and half days from the moment i post for this project. Make sure you read the full project before biding . You are require to have good english skill as well. Please post your skype when u bid on the project if you can. And i m not paying a lot for this project so keep in mind when u bid .Around 50 to 100 is my budget range