Suppose you are the economic adviser of a company producing three brands of mobile phones; Nokia 10 , Samsung X and iPhone Z. Suppose further that, your company currently sells 120 units of iPhone Z at ¢800 per unit, 150 units of Samsung X at ¢800 per unit and 200 units of Nokia 10 at ¢100 per unit, but in a bid to maximize profit, the company’s managing director proposes an increase in price of Samsung X from ¢800 to ¢1000 per unit for which quantity demanded is anticipated to fall from 150 to 100 units; iPhone Z from ¢800 to ¢1200 per unit for which quantity demanded is anticipated to fall from 120 to 100 units; and Nokia 10 from ¢100 to ¢200 per unit for which quantity demanded is expected to fall from 200 to 100 units. 1.Using the mid-point formula, compute the price elasticity of demand for each brand. 2. From your answer in i, what is the type and economic interpretation of each brand’s value of elasticity.

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Suppose you are the economic adviser of a company producing three brands of mobile phones; Nokia 10 , Samsung X and iPhone Z. Suppose further that, your company currently sells 120 units of iPhone Z at ¢800 per unit, 150 units of Samsung X at ¢800 per unit and 200 units of Nokia 10 at ¢100 per unit, but in a bid to maximize profit, the company’s managing director proposes an increase in price of Samsung X from ¢800 to ¢1000 per unit for which quantity demanded is anticipated to fall from 150 to 100 units; iPhone Z from ¢800 to ¢1200 per unit for which quantity demanded is anticipated to fall from 120 to 100 units; and Nokia 10 from
¢100 to ¢200 per unit for which quantity demanded is expected to fall from 200 to 100 units.


1.Using the mid-point formula, compute the price elasticity of demand for each brand.

2. From your answer in i, what is the type and economic interpretation of each brand’s value of elasticity.

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