=IF(COLUMNS($D1:D1)>Term_of_contract,0,IF(OR(Datasheet!$Y2=0,Datasheet!$Y2=""),0,IF(MOD(COLUMNS($D1:D1),ROUND(Datasheet!$Y2,0))=0,PRODUCT(Datasheet!$AA2,Datasheet!$E2),0))+IF(Datasheet!$AD2=0,0,IF(MOD(COLUMNS($D1:D1),ROUND(Datasheet!$AD2,0))=0,IF(Datasheet!$AD2>=1,PRODUCT(Datasheet!$AF2,Datasheet!$E2),PRODUCT(Datasheet!$AF2,Datasheet!$E2)*(1/Datasheet!$AD2)),0))+(Datasheet!$AJ2/Term_of_contract)-IF(Datasheet!$Y2=0,0,IF(AND(CAPEX!D2<>0,(MOD(COLUMNS($D1:D1),ROUND(Datasheet!$Y2,0))=0)),PRODUCT(Datasheet!$AA2,Datasheet!$E2),0)))