using System;

using static System.Console;

using System.Globalization;

class SalesTransaction

$\{$

private string name;

private double salesAmount;

private double commission;

private static readonly double RATE $=0\mathrm{.}1$;

public SalesTransaction$($string name, double salesAmount, double rate$)$

$\{$

this.name $=$ name;

this.salesAmount $=$ salesAmount;

this.commission $=$ salesAmount $*$ rate;

$\}$

public SalesTransaction$($string name, double salesAmount$)$

$\{$

this.name $=$ name;

this.salesAmount $=$ salesAmount;

this.commission $=0$;

$\}$

public SalesTransaction$($string name$)$

$\{$

this.name $=$ name;

this.salesAmount $=0$;

this.commission $=0$;

$\}$

public static double GetRate$()$

$\{$

return RATE;

$\}$

public static SalesTransaction operator $+($SalesTransaction transaction$1,$ SalesTransaction transaction$2)$

$\{$

string combinedName $=$ $$"\{$transaction$1.$name$\}$ and $\{$transaction$2.$name$\}"$;

double combinedSalesAmount $=$ transaction$1.$salesAmount $+$ transaction$2.$salesAmount;

double combinedCommission $=$ combinedSalesAmount $*$ RATE;

return new SalesTransaction$($combinedName$,$ combinedSalesAmount, RATE$)$;

$\}$

public void Display$()$

$\{$

WriteLine$("$Salesperson: $\{0\}",$ name$)$;

WriteLine$("$Sales Amount: $\{0\}",$ salesAmount.ToString$("$C$",$ CultureInfo.GetCultureInfo$("$en$-$US$")))$;

WriteLine$("$Commission: $\{0\}",$ commission.ToString$("$C$",$ CultureInfo.GetCultureInfo$("$en$-$US$")))$;

WriteLine$("$Commission Rate: $\{0\}",$ RATE.ToString$("$P$",$ CultureInfo.InvariantCulture$))$;

WriteLine$()$;

$\}$

$\}$