The initial charges to open a blocked account in Deutsche Bank Germany are 150 Euro. These charges are for initial account setup. Normally these charges are deducted from your current balance of 8,640 Euro.
That’s why, students transfer more amount like 8,840 to avoid reduction in figures. Embassy make no issue even if you transfer exact amount of 8,640 Euro. Because they know that bank deducted their charges. For further information check this link [⇑]