time and cost for 7th unit !

Suad Alwan, the purchasing agent for Dubai Airlines, has determined that the third plane took 16,000 hours to produce. Using an 80% learning curve and a \$35-per-hour labor charge, he wants to determine the cost of the five additional planes. Time required for the fifth unit = hours (round your response to the nearest whole number). Cost of the fifth unit = dollars (round your response to the nearest whole number). Time required for the sixth unit = hours (round your response to the nearest whole number). Cost of the sixth unit = dollars (round your response to the nearest whole number). Time required for the seventh unit = hours (round your response to the nearest whole number)