When will the price of the air coolers be the lowest?
I. From July till January and companies offer 15 per cent.
II. During November, the prices will be 20 per cent less than off season prices and 30 per cent less than February to June prices.

A

if the data in statement I alone are sufficient to answer the question;

B

if the data either in I or II alone are sufficient to answer the question;

C

if the data even in both the statement together are not sufficient to answer the question;

D

if the data in both the statements I and II are needed to answer the question.