Rewrite the Cable Company Billing program below so that it uses the following me

Question

Rewrite the Cable Company Billing program below so that it uses the following methods to calculate the billing amount

a. residentialCustomer: this method calculates and returns the billing amount for the residential customer.
b. businessCustomer: This method calculates and returns the bolling amount for the service business customer.


package cableCompanyBilling1;

import java.util.*;

public class CableCompanyBilling1
{
static Scanner console = new Scanner(System.in);

static final double R_BILL_PROC_FEE = 4.50;
static final double R_BASIC_SERV_COST = 20.50;
static final double R_COST_PREM_CHANNEL = 7.50;

static final double B_BILL_PROC_FEE = 15.00;
static final double B_BASIC_SERV_COST = 75.00;
static final double B_BASIC_CONN_COST = 5.00;
static final double B_COST_PREM_CHANNEL = 50.50;




public static void main(String[] args)
{

int accountNumber;
char customerType;
int numberOfPremiumChannels;
int numberOfBasicServiceConnections;
double amountDue;


System.out.println("This program computes a cable bill.");

System.out.print("Enter the account number: ");
accountNumber = console.nextInt();
System.out.println();

System.out.print("Enter the the cutomer type: "
+ "R or r (Residential), "
+ "B or b (Business): ");

customerType = console.next().charAt(0);
System.out.println();


switch( customerType)
{

case 'r':
case 'R': System.out.print("Enter the number of premium channels: ");
numberOfPremiumChannels = console.nextInt();
System.out.println();
amountDue = R_BILL_PROC_FEE + R_BASIC_SERV_COST + numberOfPremiumChannels * R_COST_PREM_CHANNEL;
System.out.println("Account number = " + accountNumber);
System.out.printf("Amount due = $%.2f %n", amountDue);
break;

case 'b':
case 'B': System.out.print("Enter the number of basic " + "service connections: ");
numberOfBasicServiceConnections = console.nextInt();
System.out.println();
System.out.print("Enter the numberm or premium channels: " );
numberOfPremiumChannels = console.nextInt();

if (numberOfBasicServiceConnections <=10)
amountDue = B_BILL_PROC_FEE + B_BASIC_SERV_COST + numberOfPremiumChannels * B_COST_PREM_CHANNEL;
else
amountDue =B_BILL_PROC_FEE + B_BASIC_SERV_COST +(- 10) * B_BASIC_CONN_COST + numberOfPremiumChannels * B_COST_PREM_CHANNEL;
System.out.println("Account number = " + accountNumber);
System.out.printf("Amount due = $%.2f %n", amountDue);

break;
default: System.out.println("Invalid customer type.");


}

}

}

Explanation / Answer

Hope this will be helpful import java.util.*; import java.io.*; public class CableCompanyBilling { static Scanner console = new Scanner(System.in); //Named constants - residential customers static final double R_BILL_PROC_FEE = 4.50; static final double R_BASIC_SERV_COST = 20.50; static final double R_COST_PREM_CHANNEL = 7.50; //Named constants - business customers static final double B_BILL_PROC_FEE = 15.00; static final double B_BASIC_SERV_COST = 75.00; static final double B_BASIC_CONN_COST = 5.00; static final double B_COST_PREM_CHANNEL = 50.00; public static void main(String[] args) { //Variable declaration int accountNumber; char customerType; int noOfPremChannels; int noOfBasicServConn; double amountDue; System.out.println("This program computes " + "a cable bill."); System.out.print("Enter the account " + "number: "); //Step 1 accountNumber = console.nextInt(); //Step 2 System.out.println(); System.out.print("Enter the customer type: " + "R or r (Residential), " + "B or b(Business): "); //Step 3 customerType = console.next().charAt(0); System.out.print("Enter the number of " + "premium channels: "); noOfPremChannels = console.nextInt(); System.out.println(); System.out.println("Account number = " + accountNumber); if (customerType == 'R' || customerType == 'r') { amountDue = residentcust(); } else if (customerType == 'B' || customerType == 'b'){ amountDue = businesscust(); } System.out.printf("Amount due = $%.2f %n", amountDue); } public static double residentcust() { int noOfPremChannels; double amountDue; int accountNumber; amountDue = R_BILL_PROC_FEE + //Step 5c R_BASIC_SERV_COST + noOfPremChannels * R_COST_PREM_CHANNEL; return amountDue; } public static double businesscust() { int noOfPremChannels; double amountDue; int accountNumber; int noOfBasicServConn; if (noOfBasicServConn

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