| {p} | $/unit | Unit inventory holding cost of plant p in time period t |
| {r} | $/unit | Unit inventory holding cost of distribution center r in time period t |
| {s, p, r} | $/unit | Unit transportation cost for each part of raw material f or product g in time period t |
| {s} | unit | Maximum procurement capacity of raw material f for supplier s |
| {c} | unit | Demand request for product g from customer c in time period t |
| {p} | unit | Maximum production capacity of plan p |
| {p, r} | unit | Maximum output transportation capacity for product g from plant p to retailer r or from retailer r to customer c |