Question

In: Operations Management

A New York company is planning to decide about advertisements. He invites executives from a local...

A New York company is planning to decide about advertisements. He invites executives from a local newspaper, a local TV station, and a local radio station to make a presentation.

The newspaper executive claims to be able to provide an audience of 10,000 customers at a cost of $4,000 per ad. The breakdown of audience:

Male

Female

Young

2000

1000

Senior

4000

3000

The executive from the local TV station claims to provide an audience of 25,000 customers at a cost of $15,000. The breakdown of audience:

Male

Female

Young

5000

10000

Senior

5000

5000

The executive from the local radio station claims to provide an audience of 15,000 customers at a cost of $6,000. The breakdown of audience:

Male

Female

Young

4500

7500

Senior

1500

1500

The company has the following policy:
            a. Use at least twice as many radio commercial as newspaper ads
            b. Reach at least 100,000 customers
            c. Reach at least twice as many young people as senior citizens
            d. Make sure that at least 30% of the audience is female.

Available space limits the number of newspaper ads to seven. The company wants to know the optimal number of each type of advertising to purchase to minimize the total cost.

a. Formulate a linear programming model first and then solve this using Excel.

b. Suppose another local radio station approaches and indicates that its commercial can reach 18,000 customers at a cost of $7,500 with a demographic breakdown:


Male

Female

Young

4000

8000

Senior

2400

3600

If the company considered this station along with other media alternatives, how would this affect the solution?

Solutions

Expert Solution

Answer A)

Excel Formulation:

News Paper TV Radio
Cost $    4,000.00 $ 15,000.00 $ 6,000.00
Decision Variable News Paper TV Radio
1 0 6
Objective:
Min Cost 40000
Constrain: Total
Radio & Newspaper 2 0 -1 -4 <= 0
Min. Audience 10000 25000 15000 100000 >= 100000
Young Audience -11000 -5000 6000 25000 >= 0
Female Audience 1000 7500 4500 28000 >= 0
Newspaper ads limit 1 0 0 1 <= 7

Solution:

No. of newspaper ads =1

No. of commercials on Radio = 6

let 2 = no. of ads on neaspaper y = no. of cids on radio TV station 2= no. of ads on Radio station Objective: min nouo ac + 1500oy & 6000Z cost per addi subject to construins: 7) Use at least twice as many sudio comm. E as newspaper ads. z > 296 200 50 22 Reveh cut least 100,000 customers I louco y + 85000y + 1500oz >1,00,000 audience per ads 3) Reach cut least twice as many young people as senior citizens rro. of senior and . 3000 gC + 15000y + 1 lucuz ? ? Crownac lodowy + 2000 22 nuo. of young crudience es Snoong ito socoy + Govoz >O scanner

4) make . Chualience of the sure at least 307 is much cuelience of female bel ontkenlik Qovo mesto 1500oyal 40007>0.3 / revereix usvou i luvun 75004 u sve zo 5 5 , 4, 7 7,0 rueuspepper and s (integens) avulante opun tem. on saanut kawiti o Cindezens ) CamScanner


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