(a) Two features of Consumer Protection Act 1986: 

1. It provides effective safeguards to the consumers against various types of exploitation and unfair trade practices. 

2. It is not obligatory to engage any advocate. No court free or any other charges is to be paid by the complainant. The complainant can write his grievance on a simple paper along with the name and address of the opposite party against whom the complaint is made. 

3. The Act covers both goods and services rendered for consideration by any person or organisation. 

4. It provides a speedy and simple redressal to consumer grievances. (any two) 

(b) Following are the main functions of trade union: 

1. Trade unions ensure adequate wages, better working conditions, better treatment and a reasonable share and control in the profits and management of industry. 

2. Trade unions help the workers in case of sickness and accident and give them financial support during the period of unemployment strikes and lockouts. 

(c) Marketing Research may be defined as systematic gathering, recording and analysing all facts about marketing problems to facilitate decision making. It involves a careful and objective study of all aspects of marketing. Marketing research is wider term than market research which is a study of only those who buy and distribute the products. Marketing research includes product study, consumer study, price study and distribution channels study. 

(d) Deferred Revenue Expenditure are those expenditures which have been incurred in an accounting period and they do not create any asset but their I benefit is spread in more than one accounting period. 

Example: Advertisement cost. The benefit of such expenditure is enjoyed over a number of years.

(e) Two Advantages of Radio Advertising: 

1. It is used as a mass-scale advertising medium. 

2. Because of its mass appeal, it has low cost per exposure.