insulin contains 0.0016% sulphur. calculate minimum molarmassof insulin

Kindly refer to the following link which gives the solution for a similar query:
https://www.meritnation.com/ask-answer/question/an-enzyme-contains-16-of-sulphur-the-minimum-molecular-mas/some-basic-concepts-of-chemistry/9017451

Answer = 2 X 10⁶ g.