This is the current salary/rate of the working candidate. This field is of type ‘Currency Amount Period’ as it defines a currency, and an amount for a period of work.
All currency amount period fields have three parts:

The first part is the currency which is a drop down containing all currencies stored in the database:

The second part is a numeric field with up/down spin buttons to increment/decrement the number.
The third part of the period field which drop downs a list of available periods:
