1 - 100 units: S$1.38101 - 500 units: S$1.28 More than 501 units: S$1.2
1 - 100 units: S$1.21101 - 500 units: S$1.12 More than 501 units: S$1.05
1 - 100 units: S$1.52101 - 500 units: S$1.4 More than 501 units: S$1.27
1 - 100 units: S$1.62101 - 500 units: S$1.51 More than 501 units: S$1.41