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Indices |
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| Resources of production indexed by |
| Products indexed by |
| Locations of plant, indexed by |
| Locations of DC, indexed by |
| Locations of CZ, indexed by |
| Locations of WH, indexed by |
| Planning periods indexed by s and |
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Parameters |
| Plant market price during the time , with and |
| Warehouse market price during the time , with and |
| Distribution center market price at time period , with and |
| Cost for establishing a plant at location during the time period , with and |
| Cost for establishing a WH at location during the time , with and |
| Cost for establishing a DC at location at time period , with and |
| Cost for closing a plant at location during the time period , with and |
| Cost for closing a WH at location during the time , with and |
| Cost for closing a DC at location during the time , with and |
| Fixed production cost for product at plant at time period , with , , and |
| Unit production cost for product at plant at time period , with , , and |
| Fixed transportation cost of product from plant to WH at time period , with , , , and |
| Unit transportation cost of product from plant to WH at time period , with , , , and |
| Fixed transportation cost of product from WH to D.C at time period , with , , , and |
| Unit transportation cost of product from W.H to D.C at time period , with , , , and |
| Fixed transportation cost of product from DC to CZ at time period , with , , , and |
| Unit transportation cost of product from D.C to CZ at time period , with , , , and |
| Unit inventory cost of product at plant at time period , with and |
| Unit inventory cost of product at WH at time period , with and |
| Unit inventory cost of product at DC at time period , with and |
| Maximum capacity of DC , with |
| Minimum capacity of DC , with |
| Maximum inventory level of product being held at plant at the end of time period , with and |
| Demand of product from customer zone at time period , with , , and |
| Maximum production capacity of product at plant with end |
| Minimum production capacity of product at plant with end |
| Unit selling price of product at CZ at time period , with , , and |
| Maximum limit of products that can be transferred from plant to WH , with end |
| Maximum limit of products that can be transferred from WH to D.C , with end |
| Maximum limit of products that can be transferred from DC to C.Z , with end |
| Available quantity of resource at plant , with and |
| Maximum capacity of WH , with |
| Minimum capacity of WH , with |
| Safety stock of product at DC , during the time with , , and |
| Safety stock of product at WH , during the time with , and |
| Cash ratio lower bound during the time , with |
| Current ratio lower bound during the time , with |
| Cash coverage ratio lower bound during the time , with |
| Assets turnover ratio lower bound during the time , with |
| New capital entries upper bound during the time period , with |
| Long-term debt ratio upper bound during the time period , with |
| Total debt ratio upper bound during the time , with |
| Return on equity ratio lower bound during the time period , with |
| Profit margin ratio lower bound during the time period , with |
| Return on assets ratio lower bound during the time period , with |
| Lower bound for quick ratio during the time period , with |
| Accumulated depreciation rate of a facility opened at time period and closed during the time , with and |
| Long-term interest rate during the time period , with |
| Tax rate at the time period , with |
| Rate of capital cost during the time , with |
| Depreciation rate of a facility at the end of time period , with and |
| Coefficient relating resource utilization rate of to produce product in plant , with , , and |
| Coefficient relating loans during the time , with |
| Coefficient relating payables outstanding at time period , with |
| Coefficient relating revenues outstanding at time period , with |
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Decisions and auxiliary variables |
| Inventory level of product being held at plant at time period , with , and |
| Inventory level of product being held at WH at time period , with and |
| Inventory level of product being held at DC at time period , with and |
| Product quantity produced at plant at time period , with , , and |
| Product quantity transferred from plant to WH in time period , with , , , and |
| Product quantity transferred from WH to DC in time period , with , , , and |
| Quantity of product transferred from DC to C.Z during time period , with and |
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| and and |
| with and and |
| with and and |
| with and and |
| with and and |
| New capital entries from shareholders during the time period , with |
| Repaid amount to the bank during the time period , with |
| Current assets during the time period , with |
| Bank debts during the time period , with |
| Depreciation value at time period , with |
| Cost of sales at time period , with |
| Cash during the time period , with |
| Investment of fixed assets during the time period , with |
| Divestment of fixed assets during the time period , with |
| Interest paid(interest expense) during the time period , with |
| Cost of holding inventory during the time period , with |
| Long-term debt during the time period , with |
| Inventory value at time period , with |
| Nonoperating income during the time period , with |
| Production cost during the time period , with |
| Net fixed assets during the time period , with |
| Revenues from sales during the time period , with |
| Transportation cost during the time period , with |
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