The population of a village is 7800. It increases annually at the rate of 18% p.a. What will be its population after 2 years? Pick one.
A) 10000	B) 12000	C) 13000	D) 10860	E) 14400

Rationale: "formula : ( after = 100 denominator ago = 100 numerator ) 7800 × 118 / 100 × 118 / 100 = 10860 d"
Answer: D