Are our taxi drivers professional?

How much would it cost from the Chinese Embassy at Tanglin Road to Redhill MRT station? The distance is about 2 km.

This auntie took a Comfort cab and had to pay $4.30 for the trip. The distance registered by the cab is 3.5km.

Receipt details:
Comfort Transportation GST No. M2-0113048-4, SH 8135A.
Trip No. 121010323
Start 10/12/2007 10:32
End 10/12/2007 10:40
Meter Fare $4.30
Have a nice day.