An investor has $120,000 to invest in bonds. Bond A yields an average of 5% and the bond B yields 8.3%. The investor requires that at least 3 times as much money be invested in bond A as in bond B. You must invest in these bonds to maximize his return ?. This can be set up as a linear programming problem. Introduce the decision variables: ?=dollars invested in bond A ?=dollars invested in bond B Find the objective function ?

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