Discuss the below in detail:
Q: It took an international shipyard 135000 labor hours to produce the first of several tugboats that you expect to purshase for your shipping company, Great Lakes, Inc. Boats 2 and 3 have been produced by the international shipyard with a learning factor of 80%. At 40$ per hour, what should you, as purshasing agent, expect to pay for the fourth unit ? How long will all four boats require ?