In an examination, six subjects - S1, S2, S3, S4, S5, and S6 have equal maximum marks. The number of marks scored by one particular candidate in subject S1 is 20% less than his marks in subject S6. The ratio of marks scored by the same candidate in subject S2 to that in S3 is 4: 5 and that in S4 to S5 is 3: 4. The number of marks scored by this candidate in subject S5 is 25% more than that of S6. He scored 65 marks in the subject S3. He scored 436/9 % in the examination and the average of marks scored by him in all the subjects is 218/3
What percentage of marks the candidate had scored in the subject S5 over the maximum marks of that subject?

Options

A. 0.3
B. 0.6666
C. 0.5
D. 0.3333