The Fund Manager for Fritz Investment Holdings was asked to review the risk and return of the companys leveraged portfolio. The characteristics of the companys assets and liabilities are as follows. The portfolio's duration is closest to:The Fund Manager for Fritz Investment Holdings was asked to review the risk and return of the company's leveraged portfolio. The characteristics of the company's assets and liabilities are as follows. The portfolios retum is closest to:

$\backslash$table$[[,$Amount,Yield $\frac{?}{?}$ Cost,Tenor,Duration$],[$Interbank Borrowings,P$40$ Billion,$3\mathrm{.}000\%,3$ months,$0\mathrm{.}25],[$Fixed Income Securities,P$53$ Billion,$4\mathrm{.}950\%,20$ years,$12\mathrm{.}00]]$

Select one

a$.5\mathrm{.}000\%$

b$.10\mathrm{.}000\%$

c$.16\mathrm{.}000\%$

d$.20\mathrm{.}000\%$