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A manager of a Firm interested to know how quality of the product effects sale volume of the product. Here the manager like to know the relationship that may be established between quality and sales by testing the hypothesis.The articles that he has read mention three variables as being important for sale: quality of the product, availability of the product, sales person behavior. In several of the articles it was also indicated that sales volume of the product directly linked with advertising budget. 1. Evolve a Theoretical Framework