{$_cost_id = waRequest::request("cost_id", null)} {$_promo_id = waRequest::request("promo_id", null)} {$_start_date = waRequest::request("start_date", null)} {$_finish_date = waRequest::request("finish_date", null)} {* PAGE *}
[`Add your marketing expenses to automate ROI (Return On Investment) calculation by traffic source and campaign.`]