Question

Mary can clean 20 windows per hour or type 30 pages of paper per hour. Tom can clean 18 windows per hour or he can type 25 pages of paper per hour. Based on this: A. Tom has comparative advantages in both activities. B. Tom has a comparative advantage in cleaning windows. C. Mary has a comparative advantage in cleaning windows. D. Mary has comparative advantages in both activities.

Answer 1

Mary is having comparative advantages in both the activities than Tom that is option D is correct.

Both Mary and Tom are doing same work with different efficiency. The work is of cleaning the windows and typing on pages of paper. In the given amount of time both Mary and Tom do different amount of work. Mary is able to clean 20 windows while Tom is able to clean 18 windows in an hour. This proves that the efficiency of cleaning windows of Mary is more than Tom and she has comparative advantage in this work. In the second task, Tom is able to type 25 pages of paper and Mary is able to types 30 pages of paper in an hour. In this also Mary has comparative advantage and her efficiency is more.

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