How to solve the problem and find the Profitability Index?

Question

Marketing

Help with a task.
What formula is used to calculate the Profitability Index for this particular task?
Task: We are conducting an advertising campaign on the Internet by buying places for our project banners on various sites. Our goal is to achieve the maximum profitability of buying traffic (Profitability Index). Fill in the empty fields, evaluate this indicator for each of the traffic sources. What can you say about (a) banners used on each traffic source? (b) the audience of each traffic source.

Answer 1

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