The population of a town increases 22% and 25% respectively in two consecutive years. After the growth the present population of the town is 1220. Then what is the population of the town 2 years ago?	Choose the correct answer.
A) 600	B) 700	C) 800	D) 900	E) 1000

Rationale: "explanation : formula : ( after = 100 denominator ago = 100 numerator ) 1220 * 100 / 122 * 100 / 125 = 800 answer : option c"
Answer: C