Based on your duration estimate, total the skill set labor hours, plug in each skill set labor rate (you set each rate) and build out a definitive cost estimate using Excel.
Two: Using the example in the ISA Project documents and using the example of building a project spend plan or budget with cumulative cost curve (S-Curve or Project Baseline) from the file "Building the BCWS.xls," build a project spend plan or budget for your project, with a cumulative cost curve or project baseline.