An amount of money was lent for 3 years. What will be the difference between the simple and the compound interest earned on it at the same rate? I. The rate of interest was 8 p.c.p.a. II. The total amount of simple interest was Rs. 1200

• I alone sufficient while II alone not sufficient to answer
• alone sufficient while I alone not sufficient to answer
• Both I and II are not sufficient to answer
• Both I and II are necessary to answer