Research Article
A Network Optimization Research for Product Returns Using Modified Plant Growth Simulation Algorithm
Table 1
Input parameters in the case study.
| | Parameter | Index | Value |
| | Annual rental expense of an ICP | | $200 |
| | Daily inventory carrying cost per unit at an ICP | | $0.1 |
| | Working days per year | | 250 |
| | Daily product handling cost per unit at an ICP | | $0.1 |
| | Cost of establishing a CRC | | $3000 |
| | Capacity of a CRC | | 1000 units |
| | Service radius of an ICP | | 25 miles |
| | Unit standard transportation cost | | $1 |
| | Discount rate according to shipping volume | | 0.8 | | 0.6 | | 200 units | | 400 units |
| | Penalty rate according to shipping distance | | 1.1 | | 1.2 | | 25 miles | | 60 miles |
| | Minimum number of established ICPs | | 1 |
| | Minimum number of established CRCs | | 1 |
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