Find the compound interest on $1200 for 2 years at 20% p.a. if CI is component yearly?
Choose the most appropriate option:  A) $ 120  B) $ 150  C) $ 548  D) $ 250  E) $ 300

Rationale: a = p ( 1 + r / 100 ) ^ t = 1200 ( 1 + 20 / 100 ) ^ 2 = $ 1728 ci = $ 548 answer is c
Answer: C