C# : Create a program named FlexibleArrayMethod that declares at least three integer arrays of different sizes. In turn, pass each array to a method named DisplayAndSum that displays all the integers in each array and their sum.

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using System;

using static System.Console;

using System.Globalization;

class FlexibleArrayMethod

$\{$

static void Main$()$

$\{$

$//$ Write your code here

$\}$

$\}$