Use the Rates tab to enter the rates used to convert currencies, and the effective time frames for the rates.
Enter the effective date range for the specified currency conversion rates. To modify the date ranges, right-click to select from the shortcut menu. Assign date ranges to accommodate periodic fluctuations of currency rates. Date ranges must not overlap.
Right-click in the Date Ranges group box and select Insert Date Range from the shortcut menu to display the Insert Date Range dialog. Enter the Start Date and End Date for the new date range. The existing date ranges are automatically adjusted to include the new range.