WAEC Commerce 2015 Theory question 102

(a) A vending machine is a coin- or card-operated machine that releases goods such as soft drinks, snacks or tickets when the buyer pays.
(b) Any six: wide variety of goods under one roof; self-service lets shoppers choose freely; goods are price-marked, so no bargaining and easy budgeting; pleasant, air-conditioned surroundings; quality, pre-packed and branded goods; prices are often lower (bulk buying); convenient location and parking; long opening hours; trolleys and baskets; accept cards/electronic payment.

Supermarket reasons relate to variety, self-service and convenience.