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
$\begin{array} { | l | l | l | } \hline \text { Magazine Title } & \begin{array} { l } \text { Advertising Rate } \\\text { (Full page, four colour) }\end{array} & \begin{array} { l } \text { Readers } \\\text { hip } \\\text { (Number } \\\text { of } \\\text { people) }\end{array} \\\hline \text { Harper's Bazaar } & \$ 10,500 & 213,000 \\\hline \text { Cleo } & \$ 16,180 & 378,000 \\\hline \text { Cosmopolitan } & \$ 18,950 & 529,000 \\\hline \text { Marie Claire } & \$ 20,600 & 420,000 \\\hline \text { Vogue Australia } & \$ 12,500 & 356,000 \\\hline\end{array}$
-In terms of cost per thousand, which of the five magazines represents the most expensive purchase?

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