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Type of Elasticity Estimate Price elasticity of demand for cigarettes -0.25 Price elasticity of supply for cigarettes 0.90 Income elasticity of demand for cigarettes -0.2 Cross-price elasticity of demand for cigarettes and alcohol 0.30 What change in income would result in a 10% decline in quantity of cigarettes? a) 5% inc b) 2% inc c) 20% inc d) 50% inc