International Trade

Posted by Dr. Strange on Apr 18, 2016; 12:01pm
URL: http://discussion-forum.276.s1.nabble.com/International-Trade-tp7599930.html

http://discussion-forum.2150183.n2.nabble.com/file/n7578285/June20_Trade.png

For the above problem Sir gave the following answer: Can anyone explain how he got the second part answer.Thanks in advance.