A Skincare Manufacturer Is Planning a Magazine Advertising Campaign and Wants

A skincare manufacturer is planning a magazine advertising campaign and wants to identify the best possible women's magazine for this task. Some preliminary background on the top selling Australian magazines, their readership and advertising rates has been prepared and is summarised in the figure
Figure Ad rates and readership figures for selected women's magazines
$\begin{array} { | l | l | l | } \hline \text { Magazine Title } & \begin{array} { l } \text { Advertising Rate } \\\text { (Full page, foutr colour) }\end{array} & \begin{array} { l } \text { Readers } \\\text { hip } \\\text { (Number } \\\text { of } \\\text { people) }\end{array} \\\hline \text { Harper's Bazaar } & \$ 10,500 & 213,000 \\\hline \text { Cleo } & \$ 16,180 & 378,000 \\\hline \text { Cosmopolitan } & \$ 18,950 & 529,000 \\\hline \text { Marie Claire } & \$ 20,600 & 420,000 \\\hline \text { Vogue Australia } & \$ 12,500 & 356,000 \\\hline\end{array}$
-Given that the advertiser wants to reach the largest number of readers in the most efficient manner (i.e. in terms of cost per thousand) , which magazine should be used for the campaign?

A) Harper's Bazaar
B) Vogue Australia
C) Cleo
D) Marie Claire
E) Cosmopolitan