Ⅰ 求答案。。。详细答案。。。（工程经济学）
A处的年成源本 = 1200（A/P,10%,60）+ 2 + 5(A/F,10%,10)- 5（A/F,10%,60）
=1200*0.1 +2 +5*0.06275 -5*0.0033=122.30
B处的年成本 = 1100（A/P,10%,60）+ 8 + 3(A/F,10%,3)- 3(A/F,10%,60) + 4(A/F,10%,10) - 4(A/F,10%,60)
=1100*0.1 +8+3*0.30211 -3*0.0033+4*0.06275-4*0.0033 =119.13
所以选B方案.