The spot price of oil is 106,theone−monthfuturespriceis102 and the 12-month futures price is 98.Ifthespotpriceandtheoilfuturescurvedonotshiftatallduringtheentireone−yearperiod,whiletheoilproduceremploysthestack−and−rollhedge(e.g.,attheendoftheoneyear,thespotpriceisunchangedat106), what will be the net performance of rolling the hedge forward without regard to the underlying future sale of spot oil (ignoring transaction costs)?