An aircraft company has an order to refurbish the interiors of 30 jet aircraft. The work has a learning curve percentage of 80. On the basis of experience with similar jobs, the industrial engineering department estimates that the first plane will require 200 hours to refurbish. Estimate the amount of time needed to complete: (please explain the steps so I can understand how to get to the answer) a. The tenth plane. b. The first ten planes. c. All 30 planes.

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