please provide work break down structure , Gantt chart in excel file, Flow chart

Description of the Project: A detached house is to be built on a 50 feet by 75 feet lot in Guelph, Ontario. The project needs to be completed in 18 months. The project start date is 1 August 2023 . The contractor will provide the necessary manpower and equipment: The Milestone Activities as agreed with the customer are as follows: 1. Completion of design 2. Design approval by Municipality 3. Complete excavation of land for foundation 4. Completion of foundation 5. Completion of main structure 6. Completion of erection of roof frames 7. Completion of drywall 8. Completion of roof covering 9. Completion of fixing doors and windows 10. Completion of external brick wall 11. Completion of fixing doors and windows 12. Completion of afl electrical installation 13. Hand over of house to the customer Instruction Prepare a work breakdown Structure Prepare a Project schedule Prepare a Gantt Chart on Excel Identify the critical path and draw a flow chart