(1) 可比产品成本计划降低额 = 780*1200 - 800*1000 = 136000 可比产品成本计划降低率 = [(780*1200) / (800*1000)-1 ] * 100% = 17% (2) 可比产品成本实际降低额 = 760*1500 - 780*1200 = 204000 可比产品成本实际降低率 = [(760*1500) / (780*1200) - 1 ] * 100% = 21.8%