Answer:
Guerilla marketing
Step-by-step explanation:
Guerilla marketing is an unconventional way of advertising that is cost effective and it's efficient in reaching a large audience. It takes the customers by surprise and engage them In their campaign in order to promote their products.
Geurilla marketing suggest that one invest money, time , energy and imagination instead of money. It also help to grow per year by increasing yearly transaction with each customer and also leveraging on the referral each from has to offer.