Hugo has been working on his company’s new marketing campaign for the past few weeks. He is now looking at the target market and the message, trying to decide between using an email marketing campaign or a guerilla marketing campaign. Which step of the marketing planning process is Hugo struggling with at the moment? a. the fourth step: defining the message b. the eighth step: measuring the results and refining the approach as needed c. the sixth step: determining the promotional mix: which tools to use, when, and how much