Explanation
Analyse and respond to customer insight is a business activity that is related to the Customer Insight segment of the Lead to Cash B2C Business Process Variant. This business activity can help Wanderlust to identify opportunities to increase cross selling through online recommendations.
Implement promotional activities is a business activity that is related to the Promotion segment of the Lead to Cash B2C Business Process Variant. This business activity can help Wanderlust to run effective and highly visible campaigns on social media.
The other two options, Develop market strategy and Design and mange a customer loyalty program, are not as relevant to the goals that Wanderlust is trying to achieve.
Develop market strategy is a business activity that is related to the Marketing Strategy segment of the Lead to Cash B2C Business Process Variant. This business activity is more focused on the overall marketing strategy of Wanderlust, rather than the specific goals of increasing cross selling or running effective campaigns.
Design and mange a customer loyalty program is a business activity that is related to the Customer Relationship Management segment of the Lead to Cash B2C Business Process Variant. This business activity is more focused on building long-term relationships with customers, rather than the specific goals of increasing cross selling or running effective campaigns.
Therefore, the best course of action is to focus on the Analyse and respond to customer insight and Implement promotional activities business activities in order to achieve Wanderlust's goals of increasing cross selling and running effective campaigns.