6

a) time required for the fourth unit?

b) cost of the fourth unit?

c) time required for the fifth unit?

d) cost of the fifth unit?

e) time required for the sixth unit?

f) cost of the sixth unit?

Suad Alwan, the purchasing agent for Dubai Airlines, has determined that the third plane took 16,000 hours to produce. Using an 75% learning curve and a $35-per-hour labor charge, he wants to determine the cost of the four additional planes