Read the given statements carefully and answer the question.Statement:I. Domestic price of petrol has gone down.II. International price of crude oil has decreased.Out of these two statements which one is the 'cause' and which one is the 'effect'.

• A. I is the cause and II is the effect.
• B. II is the cause and I is the effect.
• C. I and II are independent of each other.
• D. I and II are effects of independent causes.