- The constraints and objective function in linear form

- Define the meaning of each variable

- Explain purpose of the constraints

January unit production costs capacities Plant 1 47 800 Plant 2 51 1000 February unit production costs capacities Plant 1 50 700 Plant 2 53 900 March unit production costs capacities Plant 1 57 900 Plant 2 55 1100 January demand Market 6 850 Market 7 750 February demand Market 6 950 Market 7 650 March demand Market 6 750 Market 7 850 DEF has the possibility of storing widgets at its warehouses. The storage costs per widget from one month to the next are January - February Unit cost Warehouse 4 15 Warehouse 5 20 February - March Unit cost Warehouse 4 20 Warehouse 5 15 Formulate a linear program that minimizes the total cost for DEF over the months of January through March