Set A contains all the even numbers between 22 and 70 inclusive. Set B contains all the even numbers between 62 and 110 inclusive. What is the difference between the sum of elements of set B and the sum of the elements of set A?  Pick one:	A) 600	B) 800	C) 1000	D) 1200	E) 1400

Rationale: "each term in set b is 40 more than the corresponding term in set a . the difference of the sums = 25 * 40 = 1000 . the answer is c ."
Answer: C