The production and agreement of the business requirements is a substantial part of the overall project schedule and may take many iterations before it is finally approved.
A Gantt Chart is an excellent project management tool for the scheduling, budgeting and reporting of a project. The easiest, but perhaps not the most useful, tool for creating Gantt Charts is MSProject. Each task is listed on the left-hand side of the chart with a timeline shown on the right. Milestones can be easily marked and the schedule and costs can be easily updated where necessary.