Directions:- Study the following information carefully to answer the question given below.
A, B. C, D, E, F, G and H are eight persons working in three different departments viz operations, sales and finance of an organization with at least two and not more than three in any department. They are on three different scales viz. I, II and III with at least two in any one scale. Both the employees in operations department are in scale II. D works in Sales department and belongs to Scale I. A works in Finance department and does not belong to Scale I. Two employees in Sales department belong to one scale. F works with only H in one of the departments. C works with E in one of the departments. B does not work with either C or A in the same department. G does not belong to Scale III. E does not belong to Scale I.
H belongs to which scale?