Oceania Bank has financial assets of $$730$ and equity of $$328\mathrm{.}5.$ If the duration of assets is $6\mathrm{.}52$ years and the duration of all liabilities is $1\mathrm{.}39$ years, what is the leverage$-$adjusted duration gap? A$.5\mathrm{.}7555$ years B$.5\mathrm{.}8945$ years C$.5\mathrm{.}1799$ years D$.6\mathrm{.}4840$ years E$.$ Cannot be determined