minus_area in premise, calculation of areas and factors

ui/hv2-ui/src/app/my-premises/my-premises.component.html

@@ -26,6 +26,10 @@
                         <th mat-header-cell *matHeaderCellDef>Ort</th>
                         <td mat-cell *matCellDef="let element">{{element.city}}</td>
                     </ng-container>
+                    <ng-container matColumnDef="minusArea">
+                        <th mat-header-cell *matHeaderCellDef>Minus-Fläche</th>
+                        <td mat-cell *matCellDef="let element">{{element.minus_area | number:'1.2-2'}}</td>
+                    </ng-container>
                     <ng-container matColumnDef="account">
                         <th mat-header-cell *matHeaderCellDef>Betriebskostenkonto</th>
                         <td mat-cell *matCellDef="let element">{{element.account}}</td>

ui/hv2-ui/src/app/my-premises/my-premises.component.ts

@@ -13,7 +13,7 @@ export class MyPremisesComponent implements OnInit {
 
   premises: Premise[]
   dataSource: MatTableDataSource<Premise>
-  displayedColumns: string[] = [ "description", "street", "zip", "city", "account" ]
+  displayedColumns: string[] = [ "description", "street", "zip", "city", "minusArea", "account" ]
 
 
   constructor(private premiseService: PremiseService, private messageService: MessageService) { }