How are the impacted FTEs calculated and presented on each chart?

One FTE is equivalent to the aggregation of impacted tasks for a particular job, by either automation, augmentation or both. For example, looking at augmentation, we can take an accountant who is impacted 20% by an augmenting technology at year two. On the chart, the represented Accountant of 1 FTE would be comprised of portions of five augmented Accountants.