
This dropdown decides how this currency line works. The options are as follows:-
Enter rates for this currency
The amounts that are entered for each season are used.
User these rates to convert against
The rates that you enter for this currency will be used for each of the lines that use the rate of exchange to calculate the rate (see below). This line is a fixed amount and lines below rate according to this line
Use rate of exchange to calculate rate
For this currency, the rates are calculated using the current bank rate and the amounts as entered above.