FIGURE 5: Point before cumulative total reaches 500 for each employee
empidordermonthtotalqtyavgqtynextmonthqty
-----------------------------------------
11996-08-01368184255
21996-09-0128193248
31996-09-01485161151
41996-07-01499499168
51996-10-01334111246
61996-09-01478159145
71996-11-01485121248
81996-08-01422211125
91996-07-01294294256