Question

prompt the user for data for each object and display the 5 objects data fields for sale objects include an inventory number, amount of sale, and tax owed. include a property with get and set accessors for the first two data fields, but make the tax owed and read-only property.

Answer 1

We can code the given case using system and system.globalization.

What is the code?

using System;

using static System.Console;

using System.Globalization;

class SalesTaxDemo2

{

  static void Main()

  {

     Sale[] sales = new Sale[10];

     for(int x=0; x < sales.Length; ++x)

     {

       sales[x] = new Sale();

       Write("Enter inventory number #"+ (x+1) +" >> ");

       sales[x].InventoryNumber = ReadLine();

       Write("Enter amount of sale >> ");

       sales[x].Amount = Convert.ToDouble(ReadLine());

     }

     for(int x = 0; x < sales.Length; ++x)

     {

       int temp = x + 1;

       WriteLine("Sale # {0} Amount: {1} Sale {2}", temp, sales[x].InventoryNumber,sales[x].Amount.ToString("C", CultureInfo.GetCultureInfo("en-US")));

       WriteLine("     Tax is {0}",sales[x].Tax.ToString("C", CultureInfo.GetCultureInfo("en-US")));

     }

     Array.Sort(sales);

   WriteLine("-----After Sort-----");

    for(int x = 0; x < sales.Length; ++x)

     {

       int temp = x + 1;

       WriteLine("Sale # {0} Amount: {1} Sale {2}", temp, sales[x].InventoryNumber,sales[x].Amount.ToString("C", CultureInfo.GetCultureInfo("en-US")));

       WriteLine("     Tax is {0}",sales[x].Tax.ToString("C", CultureInfo.GetCultureInfo("en-US")));

     }

  }

}

class Sale : IComparable

{    

  public string InventoryNumber {get; set;}

  public double Tax {get; private set;}

  private double amount;

 

   public double Amount

   {

    get

    {

      return amount;

    }

    set

    {

      amount = value;

      CalculateTax();

    }

  }

  private void CalculateTax()

  {

    double temp = 0.0;

    double taxMon;

    if(Amount <= 100)

       {

            Tax = Amount * .08;

       }

    else

     {

     temp = 100 * .08;

     taxMon = (Amount - 100) * .06;

     Tax = taxMon+temp;

     }

  }

  int IComparable.CompareTo(Object o)

  {

    int returnVal;

    Sale temp = (Sale)o;

    if(this.Tax > temp.Tax)

       {

         returnVal = 1;

       }

    else if(this.Tax < temp.Tax)

       {

         returnVal = -1;

       }

   else

       {

         returnVal = 0;

       }

   return returnVal;

  }

 

}

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