ThedemandforgoodXisgivenbyQXd=6,000-(1/2)PX-PY+9PZ+(1/10)MResearchshowsthatthepricesofrelatedgoodsaregivenbyPy=$6,500andPz=$100,whiletheaverageincomeofindividualsconsumingthisproductisM=$70,000.a.Indicate

　　ThedemandforgoodXisgivenby

　　QXd=6,000-(1/2)PX-PY+9PZ+(1/10)M

　　ResearchshowsthatthepricesofrelatedgoodsaregivenbyPy=$6,500andPz=$100,whiletheaverageincomeofindividualsconsumingthisproductisM=$70,000.

　　a.IndicatewhethergoodsYandZaresubstitutesorcomplementsforgoodX.

　　GoodYis:neithercomplementnorsubstitude/acomplement/asubstitude?

　　GoodZis:neithercomplementnorsubstitude/acomplement/asubstitude?

　　b.IsXaninferiororanormalgood?

　　GoodXis:neithercomplementnorsubstitude/acomplement/asubstitude

　　c.HowmanyunitsofgoodXwillbepurchasedwhenPx=$5,230?

　　d.DeterminethedemandfunctionandinversedemandfunctionforgoodX.GraphthedemandcurveforgoodX.

　　Demandfunction:__-__PX

　　Inversedemandfunction:PX=__-__QXd