Rex Corporation has several large divisions. The flowchart shown in Figure describes the termination and exit interview procedures used by each division.

Required
(Make and state any assumptions that you think are necessary.) For the Rex Corporation process:
a. Prepare a table of entities and activities.
b. Draw a context diagram.
c. Draw a physical DFD.
d. Prepare an annotated table of entities and activities. Indicate on this table the groupings, bubble numbers, and bubble titles to be used in preparing a level 0 logical DFD.
e. Draw a level 0 logical DFD.
f. Identify the principal weaknesses in the process from the standpoint of both operational effectiveness/efficiency and the generic information process control goals of validity, completeness, and accuracy.

DEPARTMENT MANAGERS DATABASE ADMINISTRATOR HR MANAGER COMPUTER OPERATIONS Terminaton List of terminated employees Start statistical quarter Prepare termination notice Conduct exit interview quarterly Delete employees system passwords List of terminatecd employees Note Delete employee record from users password clata Termination notice interview List of terminated employees I lorm Note I Enter statistical Summary statistics Enterprise database To VP Termination notice Exit interview torm NOTES Termina- Payroll Processing Contains employee's statistics evaluation of company policy, coworkers, managers, morale salary, etc. File by Payroll change Term. nctice Update termination statistics data Termination notice Payroll change Contains analyses of terminations by department, voluntary vs. involuntary terminations, etc Statistics are maintained-I on a PC File Prepare pay roll change To payroll service bureau