設備成本=$1,000,000×(1-2%)+運輸費用$35,000+安裝費用$35,000+$40,000+檢測費用$35,000=$1,125,000
X3年折舊=($1,125,000-$25,000)×10/55×6/12=$100,000
X4年折舊=($1,125,000-$25,000)×[(10+9)/55]×6/12=$190,000
X5年折舊=($1,125,000-$25,000)×[(9+8)/55]×6/12=$170,000