For questions 8-15, match each of the data flow diagramming symbols with corresponding examples. (Answers may occur more than once.

a. process

b. data flow

c. external entity

d. data store

8. Customer order form

9. Customer

10. Generate payroll

11. Calculating holiday pay

12. Sales report

13. Computing a grade point average

14. Preparing a purchase order

15. Student enrollment file