96折 (2,600,000-100,000)÷5=500,000
97bv=2,600,000-500,000×2=1,600,000
1,600,000+210,000=1,810,000
98dep=(1,810,000-100,000)÷3=570,000
bv=1,810,000-570,000=1,240,000
可回收=1,240,000-60,000-210,000=970,000
我是這樣算的