DEMOGRAPHICS:

- Social grade, description of occupation, example;

• A, higher managerial, administrative or professional, company director.
• B, intermediate managerial, administrative or professional, middle manager.
• C1, supervisory, clerical, junior administrative or professional, bank clerk.
• C2, skilled manual workers, plumber.
• D, semi and unskilled manual workers, labourer.
• E, state pensioners with no other income, widows, casual and lowest grade earners, unemployed