Find the simple interest on $10000 at 5% per annum for 12 months?	Answers:
A) $ 410
B) $ 500
C) $ 650
D) $ 710
E) $ 1000

Rationale: "p = $ 10000 r = 5 % t = 12 / 12 years = 1 year s . i . = p * r * t / 100 = 10000 * 5 * 1 / 100 = $ 500 answer is b"
Answer: B