• • B.42 Porter Investments needs to develop an investment portfolio for Mrs. Singh from the following list of possible investments:

Mrs. Singh has a total of $60,000 to invest. The following conditions must be met: (1) If investment F is chosen, then investment G must also be part of the portfolio, (2) at least four investments should be chosen, and (3) of investments A and B, exactly one must be included. Formulate and solve this problem using LP software to determine which stocks should be included in Mrs.
Singh’s portfolio.

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INVESTMENT COST EXPECTED RETURN A $10,000 BCDEF FG $12,000 $3,500 $ 700 $1,000 $ 390 $ 5,000 $ 500 $ 8,500 $8,000 $ 4,000 $ 300 $ 750 $ 640