1 - 10 units: S$23.411 - 50 units: S$20.7 More than 51 units: S$18
1 - 10 units: S$26.2111 - 50 units: S$23.59 More than 51 units: S$22.28
1 - 10 units: S$28.0511 - 50 units: S$25.25 More than 51 units: S$23.84
