This template might be very useful if you want to create cost analysis,gantt chart as well as probability analysis.

The first sheet consist a gantt chart for single time estimated project. Gantt chart is a horizontal bar chart that plots the EST and the time required to perform each activity.You can view and analyse the situation of the activities as the critical will show in red in both the data table and gantt chart. Green will be the sign of positive side.You can also use the scroll bars to change the period of the individual activities.