After driving for several months, I still made some mistakes and
keep learning.
1. Didn't realise Mt sophia is inside CBD, fare never include
CBD surcharge.
2. Got passenger flag my cab at bus stop along Nicoll highway
near Suntec, didn't realise can charge CBD surcharge also.
3. Pickup a passenger inside CBD at 11:59pm, forgot to key-in
CBD surcharge. After midnight, no CBD surcharge can be added to the
fare.