Asoutputquantitiesexpandinanindustrywithadownward-slopinglong-runindustrysupplycurve,whatisthe<em>mostlikely</em>long-runeffectontheequilibriumsellingpriceperunitoftheindustry'soutput? A: Increase,becauseofupwardpressureoninputprices. B: Decrease,becauseoflowerinputcostsperunitofoutput. C: Noeffect,becausesellingpriceisonlyaffectedintheshortrun.