An offshore drilling operation requires a large number of welders to build a platform. The contractor is paying welders $25 per hour on a 40-hour (8 hour/day) workweek. The contractor has never had the same welders return to the platform after they have been on the job for 1 week. He is now considering a 7-day workweek (56 hours) so that he can take advantage of the “experience” gained in the previous 5 days of work. Of course he would have to pay double time for anything beyond 40 hours. He figures that all other expenses would equalize (5 trips for 35 workdays with 7-day workweeks, or 7 trips for 35 workdays with 5-day workweeks). He incurs an outfitting cost of $2,000 per welder. What type of learning rate must take place for the “scheme” to work? State any assumptions that are made.
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