this is for engineering economy, i need this solved on excel following the direction of the question. please set it up kn excel and do the graph as well. id like the screenshot of the excel work on here, thank you :)

4. Giving the following manually exclusive alternative (a) In the Excel use ROR analysis to find which one i preferable if MARR is 6% per year. (b) Graph the present worth to the interest rate of project A