VarianceAnalysis-ActualvsTarget(B-COil)MonthlyVarianceCalculation(Totalwon)MonthTotalGap(won)VolumeVariance(won)199901-89,930,069-46098572.0499853199902-139,193,401-78679556.373734419990353,795,104-51136437.1779381199904-149,991,068-66759347.7067283199905-761,938,352-761938352.096347199906-728,688,634-728688633.943778199907-610,283,421-610283421.435289199908-611,717,475-611717475.126798199909-5...