Your boss wants to calculate the ROI of email marketing as a channel. All of these are required inputs for tracking the ROI of your email marketing EXCEPT:

HubSpot Email Marketing Certification Exam Answer 2018

Your boss wants to calculate the ROI of email marketing as a channel. All of these are required inputs for tracking the ROI of your email marketing EXCEPT:

Money generated in sales Money invested in the campaign The salary of the email marketer The price of any stock images you use

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