What amount does an investor receive if the investor invests $4000 at 10% p.a. compound interest for two years, compounding done annually?
Choices:
A) $ 4720 B) $ 4840 C) $ 4920 D) $ 5080 E) $ 5160

Rationale: "a = ( 1 + r / 100 ) ^ n * p ( 1.1 ) ^ 2 * 5000 = 1.21 * 5000 = 4840 the answer is b ."
Answer: B