A demand curve slopes downwards from left to right, but this may not always be so. Explain the statement. 

(a) Highlight the factors which encourage entrepreneurs to adopt division of labour in production.

(b) What factors are capable of limiting the practice of division of labour? 

Discuss the different types of agricultural systems that exist in West Africa. 

 Outline the ways in which the federal government has encouraged industrialization in Nigeria in recent years. 

Middlemen do encounter problems in the process of carrying out their business. Explain.