The price elasticity of demand for the parakeet chow is 1.33.
Price elasticity of demand is the change in product quantity demanded to change in price.
From the question:
[tex]\%\ Change\ in \ quantity=\frac{30000-40000}{30000}= -33.3\%\\\\\%\ Change\ in \ price=\frac{20-16}{16}= 25\%\\\\PED=|\frac{\%\ Change\ in \ quantity}{\%\ Change\ in \ price} |=|\frac{-33.3\%}{25\%}|=1.33[/tex]
The price elasticity of demand for the parakeet chow is 1.33.
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