We will have the following:
[tex]A=P(1+rt)[/tex]So:
[tex]\begin{gathered} 272=P(1+(0.08)(2))\Rightarrow P=\frac{272}{1+(0.08)(2)} \\ \\ \Rightarrow P=234.4827586...\Rightarrow P\approx234.5 \end{gathered}[/tex]So, the principal was approximately $234.5.