A 'one-for-one' or 100 percent time participation plan for incentive payment is in operation. The operator base rate for this class of work is $10.40. The base rate is guaranteed. Compute:
a. Total earnings for the job at the efficiency determined in problem 2(b).
b. Hourly earnings, from above.
c. Total earnings for job at the efficiency determined in problem 2(c).
d. Direct labor cost per piece from (a), excluding setup.
e. Direct labor cost per piece from (c), excluding setup.