Explain and make a sequence diagram for employee management system including each of the following

payroll

view profit and loss

view and make pending payments

manage monthly statements

view total working hours

view working schedules

check In

check Out

view profile

view weekly statement

and further details for the sequence diagram is given below

Sequence diagram	Manage monthly statements
Brief Description	Allows accountant to manage the monthly statement of the company
Actors	Accountant and Admin
Pre-condition	Financial data is updated in the database
Post-condition	Has to be approved by the admin

Sequence diagram for	Processing payroll
Brief Description	Allows the accountant to process the payroll of the company
Actors	Accountant and Admin
Pre-condition	Financial data is updated in the database and the company should have enough budget
Post-condition	Should be approved by the company admin

Sequence diagram for	View profit and loss
sequence diagram for	Allows the accountant to check if the company is in profit or loss
Actors	Accountant and Admin
Pre-condition	Update financial data and bank statement
Post-condition	Has to be approved by the admin

Sequence diagram for	View and make pending payments
Brief Description	Allows the accountant to view the purchased bill and make the remaining amount to the suppliers
Actors	Accountant and Admin
Pre-condition	Company should have enough budget to make payment
Post-condition	Must be approved by the admin

Sequence diagram for	Viewing working schedule
Brief Description	Employee uses software to see the timetable of their work
Actors	Employee and Admin
Pre-condition	Employee should give their availability for their weekly roster
Post-condition	Is approved by the admin

Sequence diagram for	View total working hours
Brief Description	Employee uses this software to view their past worked total hours
Actors	Admin and Employee
Pre-condition	Employee should have worked in the past week Data should be updated in the system
Post-condition	Should be approved by the admin

Sequence diagram for	Check In
Brief Description	Employee check in when they start to work
Actors	Admin and Employee
Pre-condition	Data should updated in the system
Post-condition	Need the approval of the admin

Sequence diagram for	Check Out
Brief Description	Employee check out after they finish the work
Actors	Admin and Employee
Pre-condition	Data should updated in the system
Post-condition	Need the approval of the admin

Sequence diagram for	View profile
Brief description	Employee login to the dashboard and view their own profile
Actors	Admin and Employee
Pre-condition	Staff profile should be updated in the system
Post-condition	Should be approved by the admin

Sequence diagram for	Update profile
Brief description	Employee should update their profile if needed
Actors	Admin and Employee
Pre-condition	Data should be updated in the database
Post-condition	Should be approved by the admin

Sequence diagram for	View weekly income statement
Brief description	Employee are allowed to view and download their weekly wage statement
Actors	Admin and employee
Pro-condition	Data should be updated in the database
Post-condition	Should be approved by the company admin