Your supervisor has just finished taking a college course in which she learned about flowcharting and data-flow diagrams.

In the data-flow diagrams, there are four basic symbols that are used.

Prepare a written paper describing and discussing these symbols, including

• Why these symbols are important
• Howtheycanhelpaccountinginformationsystemstobebetterunderstood.

deriverable length is 1 to 2 pages and remember to add your references.