（1）
min 0.7x-0.015x0-0.087x1-0.057x2-0.0555x3-0.0555x4
st
0.05x0+0.27x1+0.19x2+0.185x3+0.185x4-y=0
x0+1.01x1+1.02x2+1.045x3+1.065x4=1
0.025x1-x<0
0.015x2-x<0
0.055x3-x<0
0.026x4-x<0
end
LP OPTIMUM FOUND AT STEP 3
OBJECTIVE FUNCTION VALUE
1) -0.6881188E-01
VARIABLE VALUE REDUCED COST
X 0.024752 0.000000
X0 0.000000 0.053812
X1 0.990099 0.000000
X2 0.000000 0.013188
X3 0.000000 0.016408
X4 0.000000 0.017785
Y 0.267327 0.000000
ROW SLACK OR SURPLUS DUAL PRICES
2) 0.000000 0.000000
3) 0.000000 0.068812
4) 0.000000 0.700000
5) 0.024752 0.000000
6) 0.024752 0.000000
7) 0.024752 0.000000
NO,ITERATIONS= 3