solve in the 3 steps : 1- decision variables, 2- objective function 3- budget constraints please solve everything in the answer clear and understandable but don't answer C

(Investment decision problem) The Heinlein and Krampf Brokerage firm has just been instructed by one of its clients to invest $250,000 of her money obtained recently through the sale of land holdings in Ohio. The client has a good deal of trust in the investment house, but she also has her own ideas about the distribution of the funds being invested. In particular, she requests that the firm select whatever stocks and bonds they believe are well rated, but within the following guidelines: a) Municipal bonds should constitute at least on (b) At least 40% of the funds should be place (c) No more than 50% of the amount invest municipal bonds should be placed in a high Subject to these restraints, the client's goal is to ma imize projected return on investments. The may at Heinlein and Krampf, aware of these guidelines prepare a list of high-quality stocks and boods a combination of electronic firms, acto of the investment PER firms, and drug high-yield nursing home stock. their corresponding rates of return: PROJECTED RATE OF RETURN(S) 53 68 49 INVESTMENT Los Angeles municipal bonds Thompson Electronics, Inc. United Aerospace Corp. Palmer Drugs Happy Days Nursing Homes 11.8 (a) Formulate this portfolio selection problem using LP (b) Solve this