Suppose the government imposes an excise tax on luxury cars, collecting $$18,000$ from buyers per each vehicle purchased. As a result, the

$($demand$/$supply$)$ A curve in the market for luxury cars shifts $($upward$/$downward$)$

A the equilibrium quantity

$($increases$/$decreases$)$

A by $$ A cars, and the equilibrium price of a car $($rises$/$falls$)$ A by $ $$ A The price that buyers pay $($including the tax$)$ is $ $$ A percar, and the price that sellers receive is $ $$ A percar.