plssss help !,! Tim was given $100 for his twelfth birthday. He's curious to see how much it will grow to if he earns interest on it. His mother tells him that she has about $3,000 in the same kind of account and she earned $120 last year. About how much interest could Tim expect to earn in a year?
A. $4.00
B. $12.00
C. $40.00
D. $1.20