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Individual Excel Solver Computer Project Eddie Kelly is running for reelection as mayor of a small town in Vaal. Jessica Martinez, Kelly’s campaign manager during this election, is planning the marketing campaign, and there is some stiff competition. Martinez has selected four ways to advertise: television ads, radio ads, billboards, and newspaper ads. The costs of these, the audience reached by each type of ad, and the maximum number of each is shown in the table below: Type of AD Cost per AD TV Radio Billboards Newspapers R8 000 R4 000 R5 000 R1 000 Audience Reached/AD 30 000 22 000 24 000 8 000 Maximum Number 10 10 10 10 In addition, Martinez has decided that there should be at least six ads on TV or radio or some combination of those two. The amount spent on billboards and newspapers together must not exceed the amount spent on TV ads. While fundraising is continuing, the monthly budget for advertising has been set at R150 000. (a) Formulate a linear programming model for this problem. (18.5) (b) Set up a spreadsheet model for this problem and use the Excel Solver to find the optimal solution. (46) (c) State the optimal solution and the value of the objective function. (5)

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