Solve the Problem $1.2 \%$ Per Year How Long Will It Take for This Country's Population

Multiple Choice

Solve the problem.
-The population of a certain country is growing at a rate of $1.2 \%$ per year. How long will it take for this country's population to double? Use the formula $t = \frac { \ln 2 } { k }$ , which gives the time, $t$ , for a population with growth rate $k$ , to double. (Round to the nearest whole year.)

A) 58 years
B) 59 years
C) 60 years
D) 57 years