ISI PEB 2015 SAMPLE Q3

[Dr. Strange]

What is Social welfare maximisation tax rate? How to calculate it as asked in question given below?

[Arya]

Ya I too have the same doubt..plzz someone help me out on this one..plz

[Amit Goyal]

I have posted the answer here: http://www.econschool.in/stuff-of-interest/isi-exams/isi-2015-q03

[Dr. Strange]

Thank a lot.