esfrom:A)anunchangingbaseyear.B)acontinuouslychangingbaseyear.C)abaseyearthatischangedapproximatelyevery5years.D)abaseyearthatischangedapproximatelyevery10years.50.Thenewchain-puterealGDPare:A)neverfaroutofdate.B)alwaysfromthesamebaseyear.C)imputed.D)chainedtotheCPI.51.ountsidentity,foranopeneconomy,is:A)Y=C+I+G–NX.B)Y=C+I+G+NX.C)Y=C+I+G.D)Y=C+I–G.52.IfGDP(measuredinbillionsofcurrentdollars)is$5,465,consumptionis$3,657,investmentis$741,andgovernmentpurchasesare$1,098,exportsare:A)$131.B)–$131.C)$31.D)–$31.53.IfGDP(measuredinbillionsofcurrentdollars)is$5,465,consumptionis$3,657,investmentis$741,exportsare–$1,910,thengovernmentpurchasesare:A)$2,977.B)$1,910.C)–$843.D)$1,067.54.IfrealGDPgrewby6percentandpopulationgrewby2percent,thenrealGDPperpersongrewbyapproximately______percent.A)2B)3C)4D)8