PLEASE SHOW WORK IN EXCEL use $=$formulatext to show formulas Thank you.

$\backslash$table$[[$Yield to maturity $($Expected$/$Current$),9\%,,],[$Number of Years to Future Liability,$9\mathrm{.}00,,],[$Future Liability,$$15,000\mathrm{.}00,,],[,,,],[,,,],[,$Bond $1,$Bond $2,$Bond $3],[$Coupon rate,$6\mathrm{.}00\%,8\mathrm{.}000\%,10\mathrm{.}00\%$ The Excel file Portfolio Bond Weight Calculation Data contains information about three bonds. Coupons are paid annually.$$ Use matrix algebra and this data to construct a portfolio consisting of Bond $1,$ Bond $2,$ and Bond $3$ that has a duration of $9$ years, subject to the condition that the proportion invested in Bond $2$ is $22\%$ larger than the proportion invested in Bond $1.$