Hello! To calculate compound interest, we must use the formula below, where:
• P = principal
,• R = rate/100
,• T = time
[tex]\begin{gathered} SI=P\cdot R\cdot T \\ SI=600\cdot0.02\cdot3 \\ SI=36 \end{gathered}[/tex]So, in the first three years, she will receive $36.