I need to show the error if the total min value is not equal to the total max value. How will i able to do it? Here's my code and the link below [PLEASE CLICK THIS LINK](https://stackblitz.com/edit/set-quantity-not-less-than-1?file=app%2Fapp.component.html)

```
this.total$ = this.inquiryForm.valueChanges.pipe(
      startWith(this.inquiryForm.value),
      map(f => f.rows.reduce(
        (acc, q) =>
          ({
            min: +acc.min + +q.min,
            max: +acc.max + +q.max
          }),
        { min: 0, max: 0 }
      ))
    );

```