Question: There is one problem to be solved. You are not required to submit any answer report or sensitivity report for question. Define your decision variables
There is one problem to be solved. You are not required to submit any answer report or sensitivity report for question. Define your decision variables clearly.
The LP formulation and corresponding Excel Sensitivity Report for a media selection problem are provided below.
T = number of commercials on TV
M = number of advertisements in magazines
R = number of commercials on radio
I = number of advertisements on Instagram
Maximize Exposures = 1200T + 600M + 900R + 600I subject to
300T + 155M + 200R + 160I 5,000 (ad budget)
100T + 45M + 60R + 40I 2,000 (planning budget)
600M + 600I 12,000 (min. requirement of exposure from Magazine and Instagram ads)
T 3 (min TV spots) R 10 (max Radio spots T, M, R, I 0.
Show your calculations clearly and provide the number(s) for your answers wherever possible.
- What are the optimal solution and the total exposure represented by the objective function?
- What is the impact on total exposure if we increase the ad budget by 200 units?
- What is the impact on total exposure if we decrease the planning budget by 400 units?
- What is the impact on total exposure if we decrease the planning budget by 600 units?
- If the objective function coefficient of magazine ads increases by 50 units, will the optimal solution change? What about the value of the objective function?
- What should be the objective function coefficient of Instagram ads so that it can be part of the optimal solution?
- We can decrease the exposure requirement by 200 units while increasing the ad budget by 4 units. Is it worth the effort? Find the impact on total exposure.
- If the objective function coefficient of radio spots decreases by 50 units and the objective function coefficient of magazine ads increases by 40 units, what will be the impact on total exposure?
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