Type of architecture the new payroll application

You have been tasked with building a payroll program for a large organization with offices spread across the United States. The company has one that each office connects to via a (WAN). Write a 3-4 page paper in which you:
Explain what type of architecture the new payroll application should use and why.
Identify what types of technology will be involved in the architecture and explain the purpose of each technology.
Create a graphical representation of your recommended architecture.
Identify and describe any potential ethical issues that could arise in connection with the new architecture.
Your assignment must:
Be typed, double-spaced, using Times New Roman font (size 12), with on all sides; have in text citations from credible sources (no ),citations and references must follow APA or . Check with your professorfor any additional instructions.
Include a cover page containing the title of the assignment, the students name, the professors name, the course title, and the date. The cover page and the reference page are not included in the required assignment page length.
Include charts or diagrams created in Excel, Visio, MS Project, or a freeware alternative. The completed diagrams/charts must be imported into the Word document before the paper is submitted.