****please before giving me the same exact answer -that is incomplete or incorrect- read carefully what i want *****

i want{{{ an activity diagram and use case diagram}}} for the system below

please foucs on what i want if you dont know the correct answer do not answer this question pleasee ):

Buses come to a garage for repairs. A mechanic and helper perform the repair, record the reason for the repair and record the total cost of all parts used on a Shop Repair Order Information on labor, parts and repair outcome is used for billing by the Accounting Department, parts monitoring by the inventory management computer system and a performance review by the supervisor. External Entities: Bus, Mechanic, Helper, Supervisor, Inventory Management System, Accounting Department, etc. Key process ("the system"): performing repairs and storing information related to repairs Processes: - Record Bus ID and reason for repair. - Determine parts needed.- Perform repair. - Calculate parts extended and total cost - Record labor hours, cost. Project requirements: - A list of business activities. - Assume this will be SD project, Draw the following: Use Case Diagram Activity Diagram