If a, b are positive integers such that ab = 84, what is the value of a?
(I) $$a > b$$
(II) $$9 <\frac{a}{b} <10$$

A

if the statement I alone is sufficient to answer the question.

B

if the statement II alone is sufficient to answer the question.

C

if both the statements I and II are sufficient to answer the question but neither statement alone is sufficient

D

it both the statements I and II together are not sufficient to answer the question and additional data is required.