1.合同价:(50+10+6+15)×(1+10%)=89.100(万元)
预付款:(50+10+6-3.6)×(1+10%)×20%=13.728(万元)
2.草稿纸画图见图5-10。
第3个月:
分项工程款:{2/3×4.8+4/6×[1.15×600×0.018+(600+150-1.15×600)×0.018×0.9+1]+2/4×6.4+1/4×7.2}×(1+10%)=19.574(万元)
单价措施费:1/4×10×(1+10%)=2.750(万元)
总价措施费:1/2×(40%×3.6+6-3.6)×(1+10%)=2.112(万元)
人工费调整额:[1/3×120+4/6×300×(600+150)/600+1/4×160+1/4×200]×(65-60)/10000×(1+16%)×(1+10%)=0.242(万元)
承包人应得工程款:19.574+2.75+2.112+0.242=24.678(万元)
业主应支付工程款:24.678×90%-1/2×13.728=15.346(万元)
3.第4个月:
分项工程款:{1/3×4.8+5.4+2/6×[1.15×600×0.018+(600+150-1.15×600)×0.018×0.9+1]+3/4×7.2}×(1+10%)=18.917(万元)
单价措施费:2.75万元
人工费调整额:[1/3×120+160+2/6×300×(600+150)/600+3/4×200]×(65-60)/10000×(1+16%)×(1+10%)=0.303(万元)
材料费调整额:1/2×200×90/10000×(120-110)/110×(1+16%)×(1+10%)=0.104(万元)
计日工:2×(1+10%)=2.2(万元)
承包人应得工程款:18.917+2.75+0.303+0.104+2.2=24.274(万元)
业主应支付工程款:24.274×90%=21.847(万元)
4.工程量调整额:[1.15×600×0.018+(600+150-1.15×600)×0.018×0.9+1-600×0.018]×(1+10%)=3.951(万元)
赶工费:60×150/600×0.08=1.2(万元)
合同价调整额:(3.951+0.242+0.303+0.104+2.2)+1.2-15×(1+10%)=-8.500(万元)
总造价:89.100-8.500=80.600(万元)
结算款:80.600×(1-3%)-(80.600-1.2)×90%=6.722(万元)