%x Problem E.14 Question Help Suad Alwan, the purchasing agent for Dubai Airlines, has determined that the second plane took 16,000 hours to produce. Using an 85% learning curve and a $30-per-hour labor charge, he wants to determine the cost of the five additional planes. Time required for the fifth unit = 12907 hours (round your response to the nearest whole number). Cost of the fifth unit = 387210 dollars (round your response to the nearest whole number). Time required for the sixth unit = 12368 hours (round your response to the nearest whole number). Cost of the sixth unit = 371010 dollars (round your response to the nearest whole number). Time required for the seventh unit = hours (round your response to the nearest whole number). Enter your answer in the answer box and then click Check Answer. 1 part Clear All Check Answer remaining