Given its extensive relationships with the trade, the best way in which Apollo could reduce the costs of their advertising campaign to launch their pouches of fruity, dark chocolate would be $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.$

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engagingusing its market power to retailers in co $-$ branding during the campaign

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create a viral campaign on the web to spread the news via WOM

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using in $-$ store displays and free samples distributed on $-$ site

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using thair market power to erode retailer margings