The current operation consists of the following elements:

Operator removes pressed unit (0.2 min)

Operator walks to inspection area, checks for defects (0.1 min)

Operator files rough edges (0.2 min)

Operator places unit on conveyor for further processing and returns to press (0.1 min)

Operator cleans press die element with compressed air (0.3 min)

Operator sprays lubricant into die (0.1 min)

Operator places sheet metal into press, pushes START (0.2 min)

Press cycles automatically for 1.2 min

Given that the operator is paid $10/hr and that presses cost $15/hr to run, find and draw the workermachine chart for the lowest cost operation. What is the production? What is the unit cost?