A university endowment fund has sought your advice on its fixed$-$income portfolio strategy. The characteristics of the portfolio's current holdings are listed below:

a$.$ Calculate the modified duration for this portfolio $(Mod{D}_{}).$ Do not round intermediate calculations. Round your answer to three decimal places.

years

The portfolio's duration is $-$Select$-$ A university endowment fund has sought your advice on its fixed$-$income portfolio strategy. The characteristics of the portfolio's current holdings are listed below:

a$.$ Calculate the modified duration for this portfolio $(Mod{D}_{}).$ Do not round intermediate calculations. Round your answer to three decimal places.

years

The portfolio's duration is

$-$Select$-$

the liability's duration, portfolio is

$-s$

$.$

the liability's duration, portfolio is

$-s$

$.$