Tangerine County currently has 3,000,000 of financial assets with an average duration of 9 at the current market interest rate of 4%. Using the duration formula, estimate the percentage change in the value of Tangerine County's assets if market interest rates go up by 2% (from 4% to 6% ). \begin{tabular}{|l|l|l|} \hline17.3% \\ \hline17.0% & 0 \end{tabular}