Pts initially three firms a b and c share the market

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3. (5 pts) Initially, three firms A, B, and C share the market for a certain commodity.Firm A has 30% of themarket, Firm B has 45%, and C has 25%. Each year, the following changes occur:A keeps 75% of its customers, while losing 15% to B and 10% to C.B keeps 60% of its customers, while losing 5% to A and 35% to C.C keeps 65% of its customers, while losing 15% to A and 20% to B.Find the share of the market that each company has aftertwo years.
4. (5 points) LetA=3-22-1.(a) (2 pts) FindA-1.

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