Ver1/MainWindow.xaml

<Window x:Class="MassageSalon.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:MassageSalon"
        mc:Ignorable="d"
        Title="Массажный салон" Height="450" Width="398">
    <Grid>
        <CheckBox x:Name="Check1" Content="Воротниковая зона" HorizontalAlignment="Left" Margin="38,30,0,0" VerticalAlignment="Top" Checked="Check1_Checked"/>
        <CheckBox x:Name="Check3" Content="Расслабляющий массаж" HorizontalAlignment="Left" Margin="38,70,0,0" VerticalAlignment="Top"/>
        <CheckBox x:Name="Check2" Content="Антицеллюлитный массаж" HorizontalAlignment="Left" Margin="38,50,0,0" VerticalAlignment="Top"/>
        <Label x:Name="SummOkay" Content="Сумма принято" HorizontalAlignment="Left" Margin="38,107,0,0" VerticalAlignment="Top"/>
        <Label x:Name="Itogo" Content="Итого" HorizontalAlignment="Left" Margin="38,169,0,0" VerticalAlignment="Top"/>
        <Label x:Name="Skidka" Content="Скидка (%)" HorizontalAlignment="Left" Margin="38,138,0,0" VerticalAlignment="Top"/>
        <TextBox x:Name="ItogoBox" HorizontalAlignment="Center" Margin="0,177,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="120"/>
        <TextBox x:Name="SummOkayBox" HorizontalAlignment="Center" Margin="0,111,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="120"/>
        <TextBox x:Name="SkidkaBox" HorizontalAlignment="Center" Margin="0,142,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="120"/>
        <Button x:Name="Rasschet" Content="Рассчитать" HorizontalAlignment="Left" Margin="38,217,0,0" VerticalAlignment="Top" Width="221" Click="Rasschet_Click"/>
        <Button x:Name="ButtonWord" Content="Печать чека" HorizontalAlignment="Left" Margin="38,255,0,0" VerticalAlignment="Top" Click="Button_Click" Height="22" Width="221"/>

    </Grid>
</Window>