Create a portfolio, Portfolio$1,$ that will take long position in first five bonds. Calculate the Modified Duration as Duration$/(1+$YTM$),$ where YTM is the Yield to Maturity: today's date is $13/03/2019.$ For bond $1,$ the coupon rate is missing, the $1$st upcoming coupon date is missing, the maturity date is $09/04/2019,$ 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 $13/06\frac{?}{2019},$ 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 $12/09/2019,$ 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 $27/0\frac{2}{2020},$ 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 $\frac{31}{08}\frac{?}{2019},$ the maturity date is $28/02\frac{?}{2021},$ 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

$\frac{31}{08}\frac{?}{2019},$ the maturity date is $28/02\frac{?}{2026},$ 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 $15/08\frac{?}{2019},$ the maturity date is $15/02\frac{?}{2049},$ 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 $15/08\frac{?}{2019},$ the maturity date is

$15/02\frac{?}{2029},$ the ask price in nonmetrin units is $???,$ the face value is $1000.$