@php $isEditingLot = $editingLotId !== null; $agencyTotalPrice = max((float) ($lotForm->area ?? 0), 0) * max((float) ($lotForm->price_per_sqm ?? 0), 0); $agencyDownPayment = max((float) ($lotForm->agency_down_payment ?? 0), 0); $agencyRemainingBalance = max($agencyTotalPrice - $agencyDownPayment, 0); @endphp