A chemical company manufacturers 3 chemicals: A, B, and C. These chemicals are produced via 2 production processes: 1 and 2. Running process 1 for an hour costs $400 and yields 300 units of A, 100 units of B and 100 units of C. Running process 2 for an hour costs $100 and yields 100 units of A and 100 units of B. To meet customer demands, at least 1000 units of A, 500 units of B, and 300 units of C must be produced daily. 
Use Solver to determine a daily production plan that minimizes the cost of meeting the company's daily demands.
Use SolverTable to see what happens to the decision variables and the total cost when the hourly processing cost for process 2 increases in increments of $0.50. How large must this cost increase be before the decision variables change?

 

Chemical manufacturing     
       
 Process 1Process 2    
Cost per hour$400$100    
       
Output production per hour    
 Process 1Process 2Chemical produced Chemical required 
Chemical A300100  Chemical A1000
Chemical B100100  Chemical B500
Chemical C100   Chemical C300
       
 Process 1Process 2    
Hours run      
       
Total cost      
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