Imported rows: 12
Numeric rows: 10
Blank amount_eur rows: E-004, E-010
Sum of numeric amount_eur values, excluding blanks: 1300.00
Values strictly greater than 300.00: E-005 = 410.00 only

Method: include all ten numeric IDs and values; exclude E-004 and E-010 because amount_eur is blank; apply no filters and no conversions.