Refer to the chart. AdvantageDisadvantageA.Lead to earmarks in federal legislationGenerate pressure on government officialsB.Rate legislators to generate public support for or opposition against themSupply legislators and bureaucrats with informationC.Reflect opinions of economic elitesOffer private-industry jobs to federal officials upon completion of public serviceD.Pursue the public good for businesses, governments, foundations, and universitiesRepresent mainly business groups and trade associations