What amount does an investor receive if the investor invests $7000 at 10% p.a. compound interest for two years, compounding done annually?  Choose the correct answer:
A) $ 8080	B) $ 8130	C) $ 8260	D) $ 8320	E) $ 8470

Rationale: "a = ( 1 + r / 100 ) ^ n * p ( 1.1 ) ^ 2 * 7000 = 1.21 * 7000 = 8470 the answer is e ."
Answer: E