prs/prs.desktop/Panels/Jobs/JobSummaryPanel.xaml

<UserControl x:Class="PRSDesktop.JobSummaryPanel"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             xmlns:local="clr-namespace:PRSDesktop"
             mc:Ignorable="d"
             d:DesignHeight="300" d:DesignWidth="300">
    <UserControl.Resources>
        <Style x:Key="TextAlignLeft" TargetType="CheckBox">
            <Style.Resources>
                <Style TargetType="Path">
                    <Setter Property="FlowDirection" Value="LeftToRight" />
                </Style>
                <Style TargetType="TextBlock">
                    <Setter Property="FlowDirection" Value="LeftToRight" />
                </Style>
            </Style.Resources>

            <Setter Property="FlowDirection" Value="RightToLeft" />
        </Style>
    </UserControl.Resources>
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>
        <Border Grid.Row="0" CornerRadius="5,5,0,0" BorderBrush="Gray" BorderThickness="0.75" Padding="5,2" Background="WhiteSmoke" >
            <DockPanel>
                <CheckBox 
                    x:Name="ReservedStock" 
                    Content="Include Other Reserves" 
                    IsThreeState="False" 
                    IsChecked="False" 
                    DockPanel.Dock="Right" 
                    VerticalContentAlignment="Center" 
                    Style="{StaticResource TextAlignLeft}"
                    Checked="ReservedStock_OnChecked" Unchecked="ReservedStock_OnChecked"/>
                <Label Content="" DockPanel.Dock="Left"/>
            </DockPanel>
        </Border>
        <local:JobSummaryGrid x:Name="Summary" Grid.Row="1" Margin="0,2,0,0" />
    </Grid>
</UserControl>