The population of a town is 176400. If it increase at the rate of 5% per annum. What was its population 4 years ago?	Choose the most appropriate option:
A) 152460
B) 214560
C) 145125
D) 210000
E) 200000
population 2 years ago = 176400/(1 + 5/100)^4   Answer is 145125
<result>C</result>
The population of a town is 176400. If it increase at the rate of 5% per annum. What was its population 4 years ago?