1 - 50 units: S$3.7751 - 200 units: S$3.33 More than 201 units: S$2.9
1 - 50 units: S$5.351 - 200 units: S$3.9 More than 201 units: S$3.12
1 - 50 units: S$4.9751 - 200 units: S$3.66 More than 201 units: S$2.93
1 - 50 units: S$3.5151 - 200 units: S$3.1 More than 201 units: S$2.7
1 - 50 units: S$4.151 - 200 units: S$3.62 More than 201 units: S$3.15