George Johnson recently inherited a large sum of money;he wants to use a portion of this money to set up a trust fund for his two children. The trust fund has two investment options: (1) a bond fund and (2) a stock fund. The projected returns over the life of the investments are 6 percent for the bond fund and 10 percent for the stock fund.Whatever portion of the inheritance he finally decides to commit to the trust fund, he wants to invest atleast 30 percent of that amount in the bond fund. In addition he wants to select a mix that will enable him to obtain a total return of atleast 7.5 percent.A) Formulate a linear programming model that can be used to determaine the percentage that should be allocated to each of the possible i nvestment alternativesB) Solve the problem using the graphical solution procedure.

Respuesta :

The solution to the given question is "Optimal B = 0.3 and S = 0.7 where 0.088 was its optimal value", and further calculation can be defined as follows:

linear programming

  • It is a mathematical formula with something like a system of linear as well as a set of linear programming in which there is a linear optimization problem to the Nonnegative parameters.
  • In this, Let B compensate also for percentages of money held throughout the bond portfolio and S for both the percentage of money held throughout the bond fund.  

         In a fund for stocks.  

             [tex]Max \ \ 0.06 \ b+0.1 \ S \ \ \ \\\\B \geq 0.3 \ \ \ \ \ \ \ \ \ \ \ \ \text{Bond fund minimum} \\\\0.06 \ B+ 0.1 \ S \geq 0.075 \ \ \ \ \ \ \text{Minimum return} \\\\B+S=1 \ \ \ \ \ \ \ \text{All funds invested}\\\\B,S\geq 0 \\[/tex]

  • For a maximization problem, just use 5 phases of the visual solution process.  Start by measuring the rows which fit the disparities.

          [tex]B = 0.3 \\ \\0.06 \ B+0.1 \ S = 0.75\\\\ B+s =1[/tex]

  • It is the very first main principle to use a sign[tex]\geq[/tex],  greater than or equal to, that answer is just all points because the third limitation uses an exclamation point, both places on the graph are the answer.  
  • Its colored area contains each resolution stage that concurrently fulfills all limitations its Viable Area was named as its location of the approaches to any inequalities.  
  • That ideal option exists in which there is limited restriction mostly on bond portfolio and all funds.  Making investment constraints converge.  
  • Replacement B= 0.3 throughout the restriction invested throughout all resources and settle to S.

          [tex]B+s=1=10 \\\\0.3+s = 1 \\\\The \ \ s= 0.7 \\[/tex]

Optimal B = 0.3 and S = 0.7 where 0.088 was its optimal value.

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