Solve
-There Are Currently 75 Million Cars in a Certain $3.8 \%$

Multiple Choice

Solve.
-There are currently 75 million cars in a certain country, increasing exponentially by $3.8 \%$ annually. How many years will it take for this country to have 90 million cars? Round to the nearest year.

A) $3 \mathrm{yr}$
B) $71 \mathrm{yr}$
C) $4 \mathrm{yr}$
D) $5 \mathrm{yr}$