Answer:
using System;
class CheckDigit
{
public static void Main (string[] args)
{ //Accepting value from user
Console.WriteLine ("Enter a four-digit account number");
int acc = Convert.ToInt32(Console.ReadLine());
int d=acc%10; //extracting the last digit
acc=acc/10; //having the first three digit
if(acc % 7 == d) //checking and displaying
Console.WriteLine ("Valid Account Number");
else
Console.WriteLine ("Invalid Account Number");
}
}
Explanation:
Planning and analysis, due dates and payment details .
The design of the software is covered by copy right unless it is open sourced or is a very common interface. They would need to come up with their own design and way of solving the problem to have a solution that was not copyrighted.
