/*********************************************************************
 * Author:        Eric Heim
 * Date Created:  6/9/2011
 * Course:        CS0007
 * Description:   Shows the use of an accumulator variable by taking in
 *                amounts sold for a number of days and displaying their
 *                sum and average.
 *********************************************************************/
import java.text.DecimalFormat;
import java.util.Scanner;

public class AccumulatorVariable {
	public static void main(String[] args) {
		int numDays;
		double dayAmount, total = 0.0;
		
		Scanner keyboard = new Scanner(System.in);
		DecimalFormat formatter = new DecimalFormat("0.00");
		
		System.out.print("How many days were you selling? ");
		numDays = keyboard.nextInt();
		
		for(int i = 1; i <= numDays; i++){
			System.out.print("Total amount sold for day " + i + ": ");
			dayAmount = keyboard.nextDouble();
			total += dayAmount;
		}
		
		System.out.println("Total Sales: " + formatter.format(total));
		System.out.println("Average Sales Per Day: " + 
				           formatter.format(total/numDays));
	}
}