Refactored customer discount and choose discount. They were using the same schema unnecessarily which was leading to confusion.

bookie/src/app/customers/customer-detail/customer-detail.component.html

@@ -39,6 +39,7 @@
             <mat-label>Discount on {{ r.name }}</mat-label>
             <input matInput formControlName="discount" />
             <span matSuffix>%</span>
+            <mat-hint>Max {{ r.limit | percent : '1.2-2' }}</mat-hint>
           </mat-form-field>
         </div>
       </div>