I am using jgrasp and need help with question 8 with if statement. It still shows error when i run it. Please help.

import java.util.Scanner;

public class Question_8_Ch_3

{

public static void main(String[]args)

{

Scanner input = new Scanner (System.in);

final int price = 99;

System.out.println("Enter the quanity you wish to purchase");

int quantity = input.nextIn();

double discount;

double pay;

double ActualPurchase;

if (quantity>=100)

{

pay = price*quantity;

discount = pay*0.5;

ActualPurchase = pay-discount;

System.out.println("The discount is" +discount+ "and you will pay" +ActualPurchase);

}

else

if((quantity>=20)&&(quantity

{

pay = price*quantity;

discount = pay*0.4;

ActualPurchase = pay-discount;

System.out.println("The discount is" +discount+ "and you will pay" +ActualPurchase);

}

else

if((quantity>=20))&&(quantity

{

pay = price*discount;

discount = pay*0.3;

ActualPurchase = pay-discount;

System.out.println("The discount is" +discount+ "and you will pay" +ActualPurchase);

}

else

if quantity>=10)&&(quantity

{

pay = price*quantity;

discount = pay*0.2;

ActualPurchase = pay-discount;

System.out.println("The discount is" +discount+ "and you will pay" +ActualPurchase);

}

else

System.out.println("The quatity is too small to be purchased");

}

}

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