FIGURE 3: Point where cumulative total reaches 500 for each employee
empidordermonthqtytotalqtyavgqty
--------------------------------
11996-09-01255623207
21996-10-01248529132
31996-10-01151636159
41996-08-01168667333
51996-11-01246580145
61996-11-01145623155
71997-01-01248733146
81996-09-01125547182
91996-10-01256550275