A sum was put at simple interest at certain rate for 3 years. Had it been put at 1% higher rate it would have fetched Rs. 63 more. The sum is: A. Rs. 2,400 B. Rs. 2,100 C. Rs. 2,200 D.Rs. 2,480 Choose the most appropriate option:	A) 2000	B) 2100	C) 2200	D) 2300	E) 2400

Rationale: "1 percent for 3 years = 63 1 percent for 1 year = 21 = > 100 percent = 2100 answer : b"
Answer: B