\\ Testing complex variable/constraint names and whitespace handling
Minimize
total_cost_2025: 100 Production_A_1 + 200 Production_B_2
+ 150 Transport_X_Y
+ 300 Storage_Facility_1
Subject To
Capacity_Constraint_1:
Production_A_1 + Production_B_2 <= 500
Demand_Region_X:
Transport_X_Y + Storage_Facility_1 >= 200
Bounds
0 <= Production_A_1 <= 300
0 <= Production_B_2 <= 400
0 <= Transport_X_Y <= +infinity
0 <= Storage_Facility_1 <= 1000
End