Sensible Defaults At The ATM

When you go to a Sampath Bank ATM and ask for 10,000LKR they give you 5 x 2000LKR notes.

When you go to a Commercial Bank ATM and ask for 10,000LKR they give you 4 x 2000LKR, 1 x 1000LKR and 2 x 500LKR notes.

Commercial gives you sensible defaults whereas at Sampath if you want change you have to ask for something like 11,500LKR.