John is a sales representative for a pharmaceutical company, and he specializes in the sale of antibiotics to hospitals. What should John do to ensure that the pharmacists who place orders for medicines remember the brand of antibiotics he sells?

Multiple Choice

• He should use data mining strategies.
• He should give them useful items imprinted with his company's name.
• He should force them to place orders of large volume with his company.
• He should give them free vouchers and medical insurances.
• He should offer bribes to the concerned pharmacists.