Assumptions
Presses where one person is tied to one press
3
Hours per year a press runs long jobs with one person at it
2,500 hours per year
Share of the operator hours freed when one person tends two presses
25 percent
Upkeep of a chute, a belt and a counter, per press per year
$300
Price of a chute, a short belt and a counter for one press
$5,000
Cost of one supervisor hour
$45 per hour
Cost of one operator hour
$30 per hour