Simulated Receipt

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Section3a
{
    class Program
    {
        private static string custName;
        private static string custStreet;
        private static string custCity;
        private static string custState;
        private static string custZip;
        private static double custNoBlenders;
        const double SALES_TAX = .07;
        const double BLENDER_PRICE = 39.95;
        private static double custTotal;
        private static double custTax;
        private static double custSubTotal;


        static void Main(string[] args)
        {
            //interactive user prompt data


            Console.Write("Please enter your name: ");
            custName = Console.ReadLine();

            Console.Write("\nPlease Enter your street address: ");
            custStreet = Console.ReadLine();

            Console.Write("\nPlease enter your City: ");
            custCity = Console.ReadLine();

            Console.Write("\nPlease enter your State: ");
            custState = Console.ReadLine();

            Console.Write("\nPlease enter your Zip Code: ");
            custZip = Console.ReadLine();

            Console.Write("\nPlease enter the number of blenders you would like to purchase: ");
            custNoBlenders = Convert.ToDouble(Console.ReadLine());

            //Calculations
            custSubTotal = custNoBlenders * BLENDER_PRICE;
            custTax = custSubTotal * SALES_TAX;
            custTotal = custSubTotal + custTax;

            //Output
            Console.WriteLine("\n\n\n");
            Console.WriteLine(custName);
            Console.WriteLine(custStreet);
            Console.WriteLine("{0}, {1} {2}\n", custCity, custState, custZip);
            Console.WriteLine("Number of blenders ordered: {0}\n\n", custNoBlenders);

            Console.WriteLine("Subtotal:\t{0}",custSubTotal.ToString("c"));
            Console.WriteLine("Tax:\t\t{0}",custTax.ToString("c"));
            Console.WriteLine("--------------------");
            Console.WriteLine("Total Due:\t{0}",custTotal.ToString("c"));




            Console.ReadLine();

        }

    }
}