Answer:
Direct mail marketing
Step-by-step explanation:
Direct mail marketing is a marketing strategy which involves sending of advertising contents to the maills of potential customers. These contents could include promotions, coupons, brochures.
Direct mail marketing is cost effective, it does not require a large amount of money inorder to send a mail to a potential buyer. This type of marketing approach can be targeted to a particular group of individuals, the marketers can make the decision on a specific category of customers to send promotions about a product.
Direct mail marketing approach make it easy for marketers to evaluate the response rate of customers towards a particular product.