材料费占比 | 50 | 52 | 54 | 56 | 58 | 60 | 62 | 64 | 66 | 68 | 70 | 72 |
人工费占比 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 |
机械费占比影响度 | 0.23 | 0 | −0.25 | −0.49 | −0.74 | −0.98 | −1.22 | −1.46 | −1.71 | −1.95 | −2.19 | −2.44 |