The new employee produce number of units in days is .

(a)

After days the worker produce .

Substitute and in .

Apply natural logarithm on each side.

.

Substitute in .

.

The learning curve for new employee is .

(b) How many days should pass before new worker is producing per day.

The worker produce per day.

Apply natural logarithm on each side.

.

(a) The learning curve for new employee is .

(b) .