Q=9-0.1p_(x)-p_(y)+0.01p_(z)+0.001Y, where Own price,
P_(x)=$30Quantity demanded
=25.75Price of a related good,
P_(y)=$3Price of a related good,
P_(z)=$275Consumer income,
Y=$20,000ne income elasticity of demand '
\xi ', when equilibrium quantity is 25.75 units and income is
$20,000, is equal to
?(enter your response rounded to three decimal places). this case the good is: A. an inferior necessity. B. an inferior good. C. a normal luxury. D. a normal necessity.