There are 2 methods of penny rounding in LOC SMS

Parameter: ROUND

This method splits the rounding.

Behavior:

      $0.01 and $0.02 --> rounds down to zero

      $0.03 and $0.04 --> rounds up to $0.05

      $0.06 and $0.07 --> rounds down to $0.05

      $0.08 and $0.09 --> rounds up to $0.10

Parameter: TRUNCATE

This method always favors the customer.

Behavior:

      $0.01 through $0.04 --> rounds down to $0.00

      $0.06 through $0.09 --> rounds down to $0.05