Create a portfolio, Portfolio$1,$ that will take long position in the first five bonds.

Calculate the Yield to Maturity and the Duration of that portfolio: today's date is

$13\mathrm{.}03\mathrm{.}2019.$ For bond $1,$ the coupon rate is missing, the $1$st upcoming coupon date is

missing, the maturity date is $09\mathrm{.}04\mathrm{.}2019,$ the ask price in nonmetric units is $2\mathrm{.}38,$ the

face value is $1000.$ For bond $2,$ the coupon rate is missing, the $1$st upcoming coupon

date is missing, the maturity date is $13\mathrm{.}06\mathrm{.}2019,$ the ask price in nonmetric units is

$2\mathrm{.}3925,$ the face value is $1000.$ For bond $3,$ the coupon rate is missing, the $1$st

upcoming coupon date is missing, the maturity date is $12\mathrm{.}09\mathrm{.}2019),,$ the ask price in

nonmetric units is $2\mathrm{.}445,$ the face value is $1000.$ For bond $4,$ the coupon rate is

missing, the $1$st upcoming coupon date is missing, the maturity date is $27\mathrm{.}02\mathrm{.}2020),,$

the ask price in nonmetric units is $2\mathrm{.}4375,$ the face value is $1000.$ For bond $5,$ the

coupon rate is $2\mathrm{.}5\%,$ the $1$ st upcoming coupon date is $31\mathrm{.}08\mathrm{.}2019,$ the maturity date is

$28\mathrm{.}02\mathrm{.}2021,$ the ask price in nonmetric units is $100-02-\frac{1}{4},$ the face value is $1000.$ For

bond $6,$ the coupon rate is $2\mathrm{.}5\%,$ the $1$ st upcoming coupon date is $31\mathrm{.}08\mathrm{.}2019,$ the

maturity date is $28\mathrm{.}02\mathrm{.}2026,$ the ask price in nonmetric units is $99-28,$ the face value

is $1000.$ For bond $7,$ the coupon rate is $3\%,$ the $1$ st upcoming coupon date is

$15\mathrm{.}08\mathrm{.}2019,$ the maturity date is $15\mathrm{.}02\mathrm{.}2049,$ the ask price in nonmetric units is $99-24,$

the face value is $1000.$ For bond $8,$ the coupon rate is $2\mathrm{.}625\%,$ the $1$ st upcoming

coupon date is $15\mathrm{.}08\mathrm{.}2019,$ the maturity date is $15\mathrm{.}02\mathrm{.}2029,$ the ask price in nonmetric

units is $???,$ the face value is $1000$