PrinciplesandEmptyBagsWehavediscussedacaseinwhichamajorlumbersellerpromisestopay$2.50forlumber from you.In return,the sellertakesthe riskoffixingthe rate,even if thereisapossibilityofaprice increase.Ultimately,thebuyer is inthebetter position,and unfortunatelytheprincipleof fairreciprocalnegotiation andconsiderationdoes not exist.peerseg The reasontheseller's commitment is notsufficientto support a legally enforceablenegotiationisthatin this caseitisanentirelyunilateralobligation.Writeseveralsentences explaining why thisdealis not anegotiation.Besureto include at leastoneof thefourprinciples thatyouthinkarerelevant.Alegallyenforceablenegotiationisconcludedwhen there is mutualrecognitionandadequateconsideration.Thus,the buyerisfreeto purchasefromanothersawmillat anevenlowerratewhereverhewishes.Thesellerisundernoobligationwhatsoever.