WAEC Commerce 2013 Theory question 103

(a) Mail order business is retailing in which customers choose goods from catalogues or adverts, order by post, phone or internet, and the goods are sent to them by post or courier.
(b) Any six, explained: self-service; growth of supermarkets and hypermarkets; branding and pre-packaging; online/e-commerce shopping; electronic payment (cards, POS); automatic vending; after-sales services; credit facilities; trading stamps/loyalty schemes; luncheon/gift vouchers; mobile shops; chain stores/franchising; shopping malls.

Trends are modern developments in how retailers sell.