Question

In Java

Part A

Fred would like to sell his apartment. He would like to figure out how much money he will spend at the closing. His lawyer needs to be paid $1,800 for his services. He needs to pay the co-op $500. Sellers pay a state and city combined transfer tax of 1.825 percent if the sale price is over $500,000 or 1.4 percent for deals under $500,000. The broker will collect 15% of the sale price at closing. He has the option of removing his furniture himself or hiring the broker to do it. If he would like the broker to remove the furniture he needs to pay an additional $1,000 for the service.
Part B
Write a program that stores the price of an apartment and whether he would like the broker to remove the furniture and then will calculate and output: the amount of tax to pay, the amount the broker will collect, and the total amount he will pay at closing. Make sure your program performs the calculations!

Part B

Modify your program as follows: Ask the user for the selling price of the apartment and whether they want to remove the furniture on their own as input, and then print out the same information as in the initial apartment sale assignment. Perform input validation to make sure the numbers entered by the user are reasonable (non-negative, not unusually large, etc). Let the calculations repeat for several apartment sales until the user wishes to quit the program. Remember: Use variables or named constants to store all numbers so that they can be changed later on if necessary. Do not repeat calculations unnecessarily! Test your program with different values for the variables to make sure it works in all scenarios!

Write the program in Java please

Answer 1

Program Code to Copy:

// PART A

public class ApartmentSale {

   public static void main(String[] args) {
       // constants
       final double LAWYER_FEE = 1800;
       final double COOP_FEE = 500;
       final double TAX_RATE1 = 0.01825; // 1.825%
       final double TAX_RATE2 = 0.014; // 1.4%
       final double BROKER_FURNITURE_FEE = 1000; // furniture
       final double BROKER_RATE = 0.15; // 15%
      
       // variables
       double price;
       boolean furnitureBroker;
       double taxAmount;
       double brokerAmount = 0;
       double totalAmount;
      
       // modify here to get different results
       price = 200000;
       furnitureBroker = true;
      
       // compute tax amount
       if(price>=500000)
           taxAmount = price * TAX_RATE1;
       else
           taxAmount = price * TAX_RATE2;
      
       // compute broker amount
       brokerAmount = price * BROKER_RATE;
       if (furnitureBroker)
           brokerAmount += BROKER_FURNITURE_FEE;
      
       // compute total amount
       totalAmount = price + taxAmount + brokerAmount + LAWYER_FEE + COOP_FEE;
      
       // display results
       System.out.println("Amount of tax to pay: $"+taxAmount);
       System.out.println("Amount the broker will collect: $"+brokerAmount);
       System.out.println("Total amount to pay at closing: $"+totalAmount);
      
   }

}

_______________________________________________

import java.util.Scanner;

// PART B

public class ApartmentSale {

   public static void main(String[] args) {
       // console input object
       Scanner input = new Scanner(System.in);
      
       // ------CONSTANTS-----
       final double LAWYER_FEE = 1800;
       final double COOP_FEE = 500;
       final double TAX_RATE1 = 0.01825; // 1.825%
       final double TAX_RATE2 = 0.014; // 1.4%
       final double TAX_THRESHOLD_AMOUNT = 500000; // to decide TAX_RATE1 or TAX_RATE2
       final double BROKER_FURNITURE_FEE = 1000; // furniture
       final double BROKER_RATE = 0.15; // 15%
       final double REASONABLE_MAX_PRICE = 5000000; // modify to any value
       final double REASONABLE_MIN_PRICE = LAWYER_FEE + COOP_FEE; // modify to any value
      
       // -----VARIABLES-----
       // computation variables
       double price;
       boolean furnitureBroker;
       double taxAmount;
       double brokerAmount;
       double totalAmount;
       // validation and decision variables
       boolean invalidInput;
       boolean moreApartments;
      
       // -----MAIN PROGRAM ------
      
       // loop to deal several apartments
       do {
          
           moreApartments = false;
           brokerAmount = 0;
          
           // loop to deal with input validation for selling price
           do {
               invalidInput = false;
               System.out.println("Enter selling price: ");
              
               price = input.nextDouble();
               if (price<REASONABLE_MIN_PRICE || price>REASONABLE_MAX_PRICE) {
                   System.out.println("Invalid input, give input between $"+
               REASONABLE_MIN_PRICE+" and $"+REASONABLE_MAX_PRICE);
                   invalidInput = true;
               }
       }while(invalidInput);
          
           // after user has entered valid selling price...
           System.out.println("Do you want to remove the furniture on their own? (Y/N): ");
           furnitureBroker = !(input.next().equalsIgnoreCase("Y"));
      
           // compute tax amount
           if(price>=TAX_THRESHOLD_AMOUNT)
               taxAmount = price * TAX_RATE1;
           else
               taxAmount = price * TAX_RATE2;
          
           // compute broker amount
           brokerAmount = price * BROKER_RATE;
           if (furnitureBroker)
               brokerAmount += BROKER_FURNITURE_FEE;
          
           // compute total amount
           totalAmount = price + taxAmount + brokerAmount + LAWYER_FEE + COOP_FEE;
          
           // display results
           System.out.println("Amount of tax to pay: $"+taxAmount);
           System.out.println("Amount the broker will collect: $"+brokerAmount);
           System.out.println("Total amount to pay at closing: $"+totalAmount);
          
           // decide on continuity
           System.out.println("\nMore apartments? (Y/N): ");
           moreApartments = input.next().equalsIgnoreCase("Y");
      
       }while(moreApartments);
      
       // finally, no more apartments
       System.out.println("\nThanks for using this service.");
   }

}

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