\* Problem: PLAN *\

Minimize
 VALUE: + 0.03 BIN1 + 0.08 BIN2 + 0.17 BIN3 + 0.12 BIN4 + 0.15 BIN5
 + 0.21 ALUM + 0.38 SILICON

Subject To
 YIELD: + BIN1 + BIN2 + BIN3 + BIN4 + BIN5 + ALUM + SILICON = 2000
 FE: + 0.15 BIN1 + 0.04 BIN2 + 0.02 BIN3 + 0.04 BIN4 + 0.02 BIN5
 + 0.01 ALUM + 0.03 SILICON <= 60
 CU: + 0.03 BIN1 + 0.05 BIN2 + 0.08 BIN3 + 0.02 BIN4 + 0.06 BIN5
 + 0.01 ALUM <= 100
 MN: + 0.02 BIN1 + 0.04 BIN2 + 0.01 BIN3 + 0.02 BIN4 + 0.02 BIN5 <= 40
 MG: + 0.02 BIN1 + 0.03 BIN2 + 0.01 BIN5 <= 30
 AL: + 0.7 BIN1 + 0.75 BIN2 + 0.8 BIN3 + 0.75 BIN4 + 0.8 BIN5
 + 0.97 ALUM >= 1500
 SI: + 0.02 BIN1 + 0.06 BIN2 + 0.08 BIN3 + 0.12 BIN4 + 0.02 BIN5
 + 0.01 ALUM + 0.97 SILICON - ~r_8 = 250

Bounds
 0 <= ~r_8 <= 50
 0 <= BIN1 <= 200
 0 <= BIN2 <= 2500
 400 <= BIN3 <= 800
 100 <= BIN4 <= 700
 0 <= BIN5 <= 1500

End