Calculate the overall labor cost portion due to a task that has a learning curve

rate of $85\%.$ This operation reaches the steady state level, starting with the $17$

unit, which is $4\mathrm{.}90$ minutes per unit.

Labor and benefits are $$25$ per hour, and the task requires three skilled

workers.

Workers are paid a full hourly rate for the fraction of hour when they work.

The overall production run is $23$ units.