The graph below shows the value of a $100 deposited into three different accounts over a period of 20 years. Which of the lines represents the value of
the account earning compound interest?
300
250
200
150
100
50
0
1 2 3 4
un
6
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
A. Blue
B. Green
O C. Red
D. Black