A wholesaler buys coats from a manufacturer for $30 each. The wholesaler sells them to a retailer for $39 each. The retailer then sells them in her shop for $50 each. What is the wholesaler's percentage mark-up?

The wholesaler is not likely to be needed in the distribution of

Which document is widely used between buyers and sellers in home trade?

The decline of the independent wholesaler has been caused partly by the growth of

Many businesses worldwide use road, rail, air and sea transport to move goods.

Many people use ATM machines, debit cards and the Internet to conduct their banking.

Polybee is a limited company specialising in making packaging materials for large-scale retailers.