SCENARIO: Describe a dataflow diagram for a payroll system.

There are key elements/processes that must be part of the system you will need to fill the gaps and add items as needed: 

FOR EXAMPLE (there are more)

Worker. 

Regular work hours

Overtime work hours

Taxes

 

Here is an example DFD for an airline reservation to give you an idea

Air line reservation Traveller time,date, destination make reservation Flight database bookings Billing system Accounting file Time left 2:45:26 Prepare Ticket Bill payment Ticket Traveller