{!! html()->form('POST', route('cumulative-risk.filter'))->id('cumulativeRiskFilterForm')->open() !!}
<div class="row">
    {{-- Level 1 --}}
    <div class="col-sm-2">
        <div class="form-group">
            {!! html()->label('Level 1 (Site)', 'CR_filter_master_site_id')->toHtml() !!}
            {!! html()->select('CR_filter_master_site_id[]', $masterSiteList->toArray() ?? [], old('CR_filter_master_site_id', ''))->class('form-control')->attribute('multiple')->id('CR_filter_master_site_id') !!}
        </div>
    </div>

    {{-- Level 2 --}}
    <div class="col-sm-2">
        <div class="form-group">
            {!! html()->label('Level 2 (Business Site)', 'CR_filter_business_site') !!}
            {!! html()->select('CR_filter_business_site[]', [], old('CR_filter_business_site', ''))->id('CR_filter_business_site')->attribute('multiple')->class('form-control')->attribute('data-selected', old('CR_filter_business_site', '')) !!}
        </div>
    </div>

    {{-- Level 3 --}}
    <div class="col-sm-2">
        <div class="form-group">
            {!! html()->label('Level 3 (Unit)', 'CR_filter_business_unit') !!}
            {!! html()->select('CR_filter_business_unit[]', [], old('CR_filter_business_unit', ''))->id('CR_filter_business_unit')->attribute('multiple')->class('form-control')->attribute('data-selected', old('CR_filter_business_unit', '')) !!}
        </div>
    </div>

    {{-- Level 4 --}}
    <div class="col-sm-3">
        <div class="form-group">
            {!! html()->label('Level 4 (Sub Unit)', 'CR_filter_business_sub_unit') !!}
            {!! html()->select('CR_filter_business_sub_unit[]', [], old('CR_filter_business_sub_unit', ''))->id('CR_filter_business_sub_unit')->attribute('multiple')->class('form-control')->attribute('data-selected', old('CR_filter_business_sub_unit', '')) !!}
        </div>
    </div>
    {{-- Master Unit --}}
    <div class="col-sm-3">
        <!-- text input -->
        <div class="form-group">
            {!! html()->label('Unit ', 'CR_filter_master_unit_id') !!}
            {!! html()->select('CR_filter_master_unit_id[]', [])->id('CR_filter_master_unit_id')->attribute('multiple')->class('form-control')->attribute('data-selected', old('CR_filter_master_unit_id', '')) !!}
        </div>
    </div>
</div>
{!! html()->form()->close() !!}