Monat Akontobeiträge Guthaben Restanz Zahlung
01/21 2'425.00 450.00 1'975.00 1'975.00
02/21 2'425.00 450.00 2'045.00(1) 2'045.00
03/21 2'779.00 450.00 2'329.00 2'329.00
04/21 2'779.00 450.00 2'329.00 2'329.00
05/21 2'779.00 450.00 2'329.00 2'329.00
06/21 2'779.00 1'042.40(2) 1'736.60 1'736.60
07/21 2'779.00 450.00