Final answer:
To ensure a reorder by Shein Ketchup Company, Mark, a salesperson at Alpha Industries Ltd., should focus on building a strong relationship with the company and providing excellent customer service.
Step-by-step explanation:
To ensure a reorder by Shein Ketchup Company, Mark, a salesperson at Alpha Industries Ltd., should focus on building a strong relationship with the company and providing excellent customer service. He can do this by regularly checking in with the customer, addressing any concerns or issues promptly, and offering incentives or discounts for repeat orders.
Mark should also keep an eye on market trends and stay up to date with new developments in the ketchup industry, so he can proactively suggest new products or improvements to Shein Ketchup Company.