DOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(245,253,255); TEXT-INDENT: 0px; LETTER-SPACING: normal; FONT: 14px/25px 宋体; WHITE-SPACE: normal; ORPHANS: 2; COLOR: rgb(0,0,0); WORD-SPACING: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px"> [答案]:C
[解析]:参见教材P69
16
[答案]:C
[解析]:参见教材65页
17
[答案]:C
[解析]:参见教材P57
18
[答案]:C
[解析]:参见教材P50—51
19
[答案]:B
[解析]:ROI=EBIT/TI×100%=1200/5600×100%=21.43%
参见教材P51
20
[答案]:C
[解析]:参见教材P40
该零部件的目标成本=4500×0.238=1071
该零部件的改进期望值=1071-1800=-729