Cost item | Minimum | Maximum | Mean | Std. deviation |
Packaging | 1.00 | 3 | 1.6981 | 0.52201 |
Processing | 0.50 | 6 | 1.7736 | 1.10317 |
Filtration or purification | 0.75 | 12 | 3.7170 | 2.48023 |
Others | 0.50 | 1 | 0.9792 | 0.10206 |