DroidExpenses.java

import java.io.File;
import java.io.FileNotFoundException;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.util.Scanner;

public class DroidExpenses {
    public static void main(String[] args) throws FileNotFoundException {
        //Scanner scanner = new Scanner(System.in);
        Scanner scanner = new Scanner(new File("C:\\Users\\cbilson\\DroidExpenses.txt"));

        double blastRiflePrice = 350.34;
        double visualSensorPrice = 230.90;
        double auditorySensorPrice = 190.55;
        double armPrice = 125.30;
        double legPrice = 180.90;

        NumberFormat formatter = new DecimalFormat("#.00");

        int problems = scanner.nextInt();

        for (int i = 0; i < problems; i++) {
            double cost = 0.0;
            cost += scanner.nextInt() * blastRiflePrice;
            cost += scanner.nextInt() * visualSensorPrice;
            cost += scanner.nextInt() * auditorySensorPrice;
            cost += scanner.nextInt() * armPrice;
            cost += scanner.nextInt() * legPrice;
            System.out.println("$" + formatter.format(cost));
        }
    }
}