Question: Reconsider the Welte Mutual Funds problem from Section 9.2. Define your decision variables as the fraction of funds invested in each security. Also, modify the

Reconsider the Welte Mutual Funds problem from Section 9.2. Define your decision variables as the fraction of funds invested in each security. Also, modify the constraints limiting investments in the oil and steel industries as follows: No more than 50% of the total funds invested in stock (oil and steel) may be invested in the oil industry, and no more than 50% of the funds invested in stock (oil and steel) may be invested in the steel industry.

a. Solve the revised linear programming model. What fraction of the portfolio should be invested in each type of security?

b. How much should be invested in each type of security?

c. What are the total earnings for the portfolio?

d. What is the marginal rate of return on the portfolio? That is, how much more could be earned by investing one more dollar in the portfolio?


Step by Step Solution

3.42 Rating (171 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

a Let each decision variable A P M H and G represent the fraction or proportion of the total investm... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Document Format (1 attachment)

Word file Icon

148-M-O-G-L-P (114).docx

120 KBs Word File

Students Have Also Explored These Related Optimization Questions!