10-19, Figure 10-14 is a system flowchart for P. Miesing and Companys 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. Authorized purchase recquisitions New vendor authorization form Key Vendor master file Key Purchase orders (to vendors) New product authorization form Key Product master file Purchase order pending file Purchase order summary FIGURE 10-14 and Company.