(a) What is trade by barter?
(b) Highlight the problems posed by trade by barter.

Outline the role of development banks In the economic development of West African countries.

Describe any four ways by which industrial development can promote agricultural productivity in your country

(a) Define the term taxation.
(b) In which four ways can the government of your country use taxation to improve the economy?

(a) Distinguish between personal income and national income
(b) Describe any four uses of national income data.