11.5A company is trying to predict the long-run market share of a new men's deodorant.8 Based on initial marketing studies, they believe that 35% of new purchasers in this market will ultimately try this brand. They believe that customers will purchase their brand about 60% of the time in the future. Preliminary data also suggest that the brand will attract heavier-than-average buyers, such as those who exercise frequently and participate in sports, and that they will purchase about 20% more than the average buyer. 8 Based on an example of the Parfitt-Collins model in Gary L. Lilien, Philip Kotler, and K. Sridhar Moorthy, Marketing Models (Englewood Cliffs, NJ: Prentice Hall, 1992): 483.

a-Calculate the long-run market share that the company can anticipate under these assumptions.

b- Develop a general model for predicting long-run market share.Explain why you chose the model.