=E*

d. Use separable programming with the approximation of the profit graphs obtained in part c to formulate an approximate linear programming model on a spreadsheet for Jim Matthews’s problem. Then solve this model. What does this solution say the levels of the advertising campaigns should be? What would the total net profit from the two products be?

x1 0 x2 0 x1 4x2 20 4x1 x2 20 Maximize P 3x1 1x1 12 2 3x2 1x2 22 2