(a) With the aid of a diagram, show the different classes of occupation.

(b) What is occupation?

(c) Explain with one example each, three classes of occupation shown in 1 (b) above.
 

 (a) What is a vending machine?

 (b) State six reasons why supermarkets are popular with shoppers.

 (a) Outline five functions of commercial banks.

(b) List and explain five ways the central bank controls the commercial banks.

 (a) State five reasons for the presence of the customs and excise authority at seaports.

 (b) Explain five functions of airport authority
 

(a) Explain five reasons for which manufacturers advertise their products.

(b) State five reasons for the continued criticism of advertising.