72.
Which of the following statements are incorrect?
Statement (I): As a consumer's income increases, the percentage of income spent for food and sundry items decreases, whereas the percentage of income spent for rent, fuel, electricity and clothing remains the same.
Statement (II): The societal marketing period was from 1960 onwards.
Statement (III): Our debt to social anthropology decreases more and more as we use qualitative market research approaches.
Statement (IV): The economic concepts of perfect competition and matching of supply and demand underlie the marketing concept, particularly in relation to the concepts of the price at which goods are sold and quantity distributed.

73.
Assertion (A) According to the concept of product life cycle, a company should begin a search for new products during stage.
Reason (R) The growth stage is the time in which a company should begin to search for new products.

75.
A common market is one where

78.
The . . . . . . . . and . . . . . . . . are the two elements of marketing strategy that determine the success of a product in the market place.

79.
The PLC concept can be applied by marketers as a useful framework for describing how . . . . . . . .