If in 1999, the population of village R increase by 10%while that of village Z reduces by 5% compared to that in 1997 and the per centage of  population below poverty line remains unchanged for all the village, then find the approximate ratio of population of village R below poverty line to the ratio of population of village Z below poverty line for the year 1999.

A

$$2 : 1$$

B

$$3 : 1$$

C

$$4 : 3$$

D

$$5 : 4$$