Suad Alwan, the purchasing agent for Dubai Airlines, has determined that the second plane took 20,000 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.

Time required for the

fourth

unit =15,000 hours (round your response to the nearest whole number).

Part 3 Cost of the fourth

unit = 525000 dollars (round your response to the nearest whole number).

Part 4

Time required for the fifth unit =