Accounting information system question that need to be solved. Please help in solving it.

Chapter 3 Bank Core Concepts of Accounting Information Systems New vendor New product authorization authorization form form Key Key Add new Add new vendors to products to vendor master products file mastor file Vendor Product master master file file Prepare Purchase Key purchase order order pending Authorized file purchase rocquistions Purchase order Purchase summary orders (to vendors) FIGURE 10-14 System flowchart illustrating the preparation of purchase orders for P. Miesing and Company.10-19. Figure 10-14 is a system flowchart for P. Miesing and Company's purchase order event. Prepare a narrative to accompany the flowchart describing this purchase order event. Include in your narrative the source documents involved, the computerized data processing that takes place, data inputs used to prepare purchase orders, and the outputs prepared from the processing function